Q: Write the ratios for sin M, cos M, and tan M. Give the exact value and a four-decimal approximation.…
A: In the given triangle ∆MLK, ∠k=90° thus KL is the height of the triangle,MK is the base and ML is…
Q: Write the ratios for sin M, cos M, and tan M. Give the exact value and a four-decimal approximation.…
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Q: Write the ratios for sin M, cos M, and tan M. Give the exact value and a four-decimal approximation.…
A: The figure of the triangle is given by To evaluate : The value of sinM, cosM and tanM.
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A: In question, two equuvalence right angle triangle is given. In this we will have to apply basic…
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A: From the given triangle we have: cos(W)=WXWY and sin(W)=XYWY
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A: # we are entitled to solve one question at a time, please resubmit the other question if you wish to…
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Q: Find the following ratios using the diagram below: A 20 12 B C 16 **Leave all answers as fractions…
A: We have to find angle
Q: Write the ratios for sin M, cos M, and tan M. Give the exact value and a sin M =
A: The trigonometric ratios can be found by the formula sinA=opposite sidehypotenuesecosA=adacent…
Q: Find the trig ratio. Round to the nearest tenth. 22 25 sin A = [?] %3D
A: We can solve it by property of right angle triangle.
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Q: 4. What is the tangent ratio of angle x? M X 15 ft 17 ft y N 8 ft O
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A: Since you have posted multiple questions, as per our policy we will answer first question. Please…
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A: We have to find
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A: This problem can be solve by using trignometric identity .
Q: b. 3 4. 5.
A: We will use the definition of tangent of an angle in the right triangle to find the required…
Q: COS Z Y 36 15 39 Z.
A: Given diagram is CosZ=?
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Q: Which is NOT a sine, cosine, or tangent ratio for ZA? 6. 6. 6. b) 9.5 9.5 c) 11 9.5 a) 11 d) 2 9.5…
A: NOTE: Refresh your page if you can't see any equations. . here we have AC=6 BC=9.5 AB=11
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Q: the measure of ZCBD? B
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A: We know that , tan ( Angle ) = opposite / adjacent
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Q: 43. cot 0 = –2 and 0 E OII
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Q: Which is NOTA correct trigonometric ratio? Aypotenuse O sec 8 opposite opposite adjacent O tan 0…
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A: The given triangle is right-angled, from the Pythagoras theorem, c=a2+b2c=102+242c=676c=26
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A: The trigonometric ratio secant is described as Secϕ=HypotenuseBase Now here for the mentioned angle…
Q: S.Find the trigonometric ratios. a. sin(A)-_ b. cos(A)-. 12 13 C c. tan(A)-
A: See the details solution below
Q: Write the ratios for sin M, cos M, and tan M. 2. 3. 4. 25 M M. K K. 2V3 24 4V2 21 K
A: Trigonometry ratio's are Sinθ=PHCosθ=BHTanθ=PB Where P is perpendicular, B is base and H is…
Q: Use the given right triangle to find ratios, in reduced form, for sin A, cos A, and tan A. sin A =…
A: Topic = Triangle
Q: Write the ratios for sin M, cos M, and tan M. 2. 3. 4. 25 M M. 7 K K. 24 2 K M
A: The sine of angle M is, sinM=LKLM ......1 The cosine of angle M is, cosM=KMLM ......2 The tangent of…
Q: Find the value of each trigonometric ratio. tan C 32 40 B 24 of 10 11 12 13 14 15 16 17 18 Kuta…
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Q: COS Z Y 36 15 39 5. 13
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Q: Find the value of the trigonometric ratio. tan Z Z. 30 Y 40 50 O a 3/5 4/5 3/4 4/3
A: Option (d) 4/3 is correct.
Q: Write the ratios for sin M, cos M, and tan M. Give the exact value and a four-decimal approximation.
A: Consider the given information. Redraw the triangle. Here for the angle M, the base is 2,…
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Q: Evaluate the ratio named by using the given ratio: a) tan 0, if cot 0 = b) sin a, if csc a = 1.25 V3…
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Q: Identify the ratios that correspond to below, where AB = 8, BC = 5, and AC 9.4. sin (A) =5/9.4, cos…
A: in the given right triangle AB =8 BC =5 AC = 9.4
Q: Use the given right triangle to find ratios, in reduced form, for sin A, cos A, and tan A.
A: Given data: The first given length is AC=15. The second given length is BC=8. The third given length…
Q: Find the remaining trigonometric ratios of θ based on csc θ = 2 and cos θ is negative
A:
Ratios
A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.
Trigonometric Ratios
Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.
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- An investigator wants to conduct a funded study of the safety of a vaccine to prevent hepatitis C involving prisoners as subjects. Prisoners will receive either vaccine or placebo and then be asked to complete surveys and undergo physical exams to assess for adverse effects. In order to ensure that subjects will report side effects and cooperate with exams, prisoners who are judged by the guards to be most compliant and well behaved are nonrandomly assigned to the experimental arm; others are assigned to the control (placebo) arm. To encourage participation, prisoners are offered better meals and the opportunity for better‑paying jobs in the prison. Are there any aspects of this study that you object to? Why? Identify those objectionable aspects. The guards will sell the vaccines to sick prisoners to supplement their income illegally. This is a non‑randomized clinical trial. This study does not necessarily put the "interest of the subject ahead of the interests of…Angioplasty is a medical procedure in which an obstructed blood vessel is widened. In some cases, a wire mesh tube, called a stent, is placed in the vessel to help it remain open. A study was conducted to compare the effectiveness of a bare metal stent with one that has been coated with a drug designed to prevent reblocking of the vessel. A total of 5319 patients received bare metal stents, and of these, 848 needed treatment for reblocking within a year. A total of 1122 received drug-coated stents, and 142 of them required treatment within a year. Can you conclude that the proportion of patients who needed retreatment differs between those who received bare metal stents and those who received drug-coated stents? Let p1 denote the proportion of patients with bare metal stents who needed retreatment and p2 denote the proportion of patients with drug-coated stents who needed retreatment. Use the =α0.10 level of significance and the P -value method with the…A Deputy Registrar at a certainty university conducted a Chi-Square test of association to establish whether or not employee grade and level of absenteeism were associated. Table 2 below shows part of the results which were obtained. Table 2: Cross tabulation of employee grade and level of absenteeism Contingency Tables Grade LAbsence 1 2 3 Total low Observed 8 1 0 9 Expected 2.90 3.48 2.61 9.00 high Observed 2 11 9 22 Expected 7.10 8.52 6.39 22.00 Total Observed 10 12 9 31 Expected 10.00 12.00 9.00 31.00 2.1 State the appropriate measurement scales for the variables. 2.2 State the null and alternative hypotheses. 2.3 Calculate the expected frequency corresponding to a Grade 3 academic with a high level of absenteeism. 2.4 Find the Chi-Square critical value and test statistic.…
- A Deputy Registrar at a certainty university conducted a Chi-Square test of association to establish whether or not employee grade and level of absenteeism were associated. Table 2 below shows part of the results which were obtained. Table 2: Cross tabulation of employee grade and level of absenteeism Contingency Tables Grade LAbsence 1 2 3 Total low Observed 8 1 0 9 Expected 2.90 3.48 2.61 9.00 high Observed 2 11 9 22 Expected 7.10 8.52 6.39 22.00 Total Observed 10 12 9 31 Expected 10.00 12.00 9.00 31.00 2.2 State the null and alternative hypotheses.A Deputy Registrar at a certainty university conducted a Chi-Square test of association to establish whether or not employee grade and level of absenteeism were associated. Table 2 below shows part of the results which were obtained. Table 2: Cross tabulation of employee grade and level of absenteeism Contingency Tables Grade LAbsence 1 2 3 Total low Observed 8 1 0 9 Expected 2.90 3.48 2.61 9.00 high Observed 2 11 9 22 Expected 7.10 8.52 6.39 22.00 Total Observed 10 12 9 31 Expected 10.00 12.00 9.00 31.00 2.3 Calculate the expected frequency corresponding to a Grade 3 academic with a high level of absenteeism.A Deputy Registrar at a certainty university conducted a Chi-Square test of association to establish whether or not employee grade and level of absenteeism were associated. Table 2 below shows part of the results which were obtained. Table 2: Cross tabulation of employee grade and level of absenteeism Contingency Tables Grade LAbsence 1 2 3 Total low Observed 8 1 0 9 Expected 2.90 3.48 2.61 9.00 high Observed 2 11 9 22 Expected 7.10 8.52 6.39 22.00 Total Observed 10 12 9 31 Expected 10.00 12.00 9.00 31.00 2.4 Find the Chi-Square critical value and test statistic. Hence, conduct a Chi-Square test of association at 5% level of significance clearly stating your decision and conclusion.
- A Deputy Registrar at a certainty university conducted a Chi-Square test of association to establish whether or not employee grade and level of absenteeism were associated. Table 2 below shows part of the results which were obtained. Table 2: Cross tabulation of employee grade and level of absenteeism Contingency Tables Grade LAbsence 1 2 3 Total low Observed 8 1 0 9 Expected 2.90 3.48 2.61 9.00 high Observed 2 11 9 22 Expected 7.10 8.52 6.39 22.00 Total Observed 10 12 9 31 Expected 10.00 12.00 9.00 31.00 2.1 State the appropriate measurement scales for the variables.Angioplasty is a medical procedure in which an obstructed blood vessel is widened. In some cases, a wire mesh tube, called a stent, is placed in the vessel to help it remain open. A study was conducted to compare the effectiveness of a bare metal stent with one that has been coated with a drug designed to prevent reblocking of the vessel. A total of 5313 patients received bare metal stents, and of these, 836 needed treatment for reblocking within a year. A total of 1111 received drug-coated stents, and 150 of them required treatment within a year. Can you conclude that the proportion of patients who needed retreatment is less for those who received drug-coated stents? Let p1 denote the proportion of patients with bare metal stents who needed retreatment and p2 denote the proportion of patients with drug-coated stents who needed retreatment. Use the a= 0.01 level of significance and the P -value method with the TI-84 Plus calculator.Angioplasty is a medical procedure in which an obstructed blood vessel is widened. In some cases, a wire mesh tube, called a stent, is placed in the vessel to help it remain open. A study was conducted to compare the effectiveness of a bare metal stent with one that has been coated with a drug designed to prevent reblocking of the vessel. A total of 5324 patients received bare metal stents, and of these, 838 needed treatment for reblocking within a year. A total of 1125 received drug-coated stents, and 141 of them required treatment within a year. Can you conclude that the proportion of patients who needed retreatment differs between those who received bare metal stents and those who received drug-coated stents? Let p1 denote the proportion of patients with bare metal stents who needed retreatment and p2 denote the proportion of patients with drug-coated stents who needed retreatment. Use the =α0.01 level of significance and the P -value method with the…
- Given the current culture for environmental sustainability and energy efficiency, detergents are promoting cold water performance. What do these results suggest about the cleaning effectiveness of using cold water? Means table Cold Hot Lukewarm 1 60.3 80.7 67.7 69.57 2 75.2 77.2 70.1 74.17 3 73.4 80.7 77.1 77.07 4 63.8 90.1 79.9 77.93 5 79.8 86.2 83.2 83.07 70.5 82.98 75.6 76.36 Two Way Anova Source of Variation SS df MS F P-value Sample 3837.08 2 1968.54 17.8238 0.0000 Columns 2967.4267 4 741.8567 6.7170 0.0001 Interaction 2452.0533 8 306.5067 2.7752 0.0071 Within 14910 135 110.4444 Total 24266.56 149 Data Temperature Dtrgent1 Dtrgent2 Dtrgent3 Dtrgent4 Dtrgent5 Cold 66 83 70 44 84 Cold 87 62 75 59 67 Cold 55 61 62 47 99 Cold 41 85 68 60 85 Cold 68 75 72 79 73 Cold 49 78 92 62 74 Cold…During the summer of 2003, a nursing home measured the quality of administering medications to the residents. Quality was divided into three categories: excellent – medication received within 15 minutes of scheduled time; acceptable – medication received between 15 and 30 minutes of scheduled time; and poor – medication received within 30 minutes of scheduled time. The nursing home has set a quality standard that at least 75% of all medications should be of excellent quality. A sample of 200 medication administrations resulted in 138 classified as excellent, 41 as acceptable, and 21 as poor. At 5% level of significance, the conclusion with respect to refuting the nursing home’s assertion is: a) that there is sufficient evidence to conclude that the standard is not being met. b) that there is sufficient evidence to conclude the standard is not being met when in fact such evidence may not exist. c) that there is not sufficient evidence to conclude the standard is not being met. d)…During the summer of 2003, a nursing home measured the quality of administering medications to the residents. Quality was divided into three categories: excellent – medication received within 15 minutes of scheduled time; acceptable – medication received between 15 and 30 minutes of scheduled time; and poor – medication received within 30 minutes of scheduled time. The nursing home has set a quality standard that at least 75% of all medications should be of excellent quality. A sample of 200 medication administrations resulted in 138 classified as excellent, 41 as acceptable, and 21 as poor. At 5% level of significance, the conclusion with respect to refuting the nursing home’s assertion is. The P-value for question 1 is:a) 0.0228 b) 0.475 c) 0.034 d) 0.05 e) approximately zero.