a) Explain why sin ß = cos(90° b) Use your calculator to show that sin 36.5° and cos 53.5° are equivalent. В). %3D

Q: If sec ? = 16 , find sin ?. (This should be an exact answer, not a decimal approximation.)

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Q: Use the addition formulas for sine and cosine to simplify the expression. sin(a - ) + sin( + =) +…

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A: According to angle - angle similarity theorem, if two angles of a triangle is same as the two angles…

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Q: 10. Use a half angle formula to determine the exact value of tan

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Q: Find the exact value by using a half-angle identity. 4) sin 22.5°

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Q: use the half angle formula to find the exact value, not a decimal approximation. of cos(pi/8)

A: Half angle formula of cos, cos2A=2cos2A-1 2cos2A=cos2A+1cosA=cos2A+12

Q: 16 16*+x?: 342 Sin L-15 Sin M 30 X-30 34 • Cos Z -37 12 డక Jr r 3 15 Tan L Tan M 3.

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Q: Solve for the missing side or angle using Trig Ratios (sin, cos, tan) 3. 4.

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Q: In Exercises 39–42, use a calculator to find the value of the acute angle 0 in radians, rounded to…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: What are the values of cos a and tan a, if a is the measure of an acute angle in a right triangle…

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Q: Fill out the following table. sine (sine)? cose (cose)2 (sin0)² + (cos0)? 4 3 77 57 Do you see a…

A: θ sinθ (sinθ)2 cosθ (cosθ)2 (sinθ)2+(cosθ)2 π4 22 12 22 12 1 2π3 32 34 -12 14 1 7π6 -12 14 -32…

Q: In AABC, ZC = 90°, and a = 19.8 cm, b = 14.5 cm, and c = = 24.5 cm. %3D What is the value of sin A,…

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Q: What is an equivalent expression of Sin 21 in terms of the reference an (related acute angle)? a)…

A: To write equivalent expression for sin5π6

Q: without using the calculator evaluate : sin ϴ, cos ϴ, tan ϴ of  a) 450° b) 10pi/3

A: Calculation:a)Compute the value of sin (450°) as follows.

Q: The inverse of sin, cos, & tan is used when given 2 sides of a right triangle and asked to find an…

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Q: 1. Write a list of angle degree measurements between 0° and 180° whose sin value can most easily be…

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Q: In right triangle ABC, m/B + mZC . Let sin B = r and cos B = s. B A Which expression represents the…

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Q: In right triangle ABC, m/B t m/C Let sin B rand cos B = s C COS Which expression represents the…

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Q: Find the exact trigonometric ratios for the angle x whose radian measure is -3pi

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Q: What are the values of cos a and tan a, if a is the measure of an acute angle in a right triangle…

A: Given that α is acute angle, that means 0&lt;α&lt;π2.Hence, all the trigonometric ratios are…

Q: Sin 3 h=2

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Q: In Exercises 35–38, use a calculator to find the value of the acute angle 0 to the nearest degree.…

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Q: 7. State an equivalent expression for sin in terms of the related acute angle.

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Q: Find the exact value, without a calculator. sin 7n tan 12 %3D 6. Cos [?]+ D [ ]-O コ-T

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Q: In triangle ABC, A = 40 degree , b = 19 ft, and a =18 ft. Use the law of sines to find sin Band then…

A: Given in ∆ABC,  ∠A = 40° , a = 18ft b = 19ft, ∠B = ?

Q: 3 sin? 30° + 3 cos2 30°

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Q: Given sin ß = in QII, and is on the terminal side of a the exact value of: • sin(a + B)

A: Given: sinβ=513

Q: Use the definitions of the trigonometric ratios to find the value of sin30°sin⁡30°, cos30°cos⁡30°,…

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Q: B b

A: Trigonometry is the study of the relationship between the sides and angles of a right-angled…

Q: What is the reference angle associated with cos 240o ?

A: Answer is- -1/2 Explanation is given below....

Q: Find the sin of 60°. V3

A: In the given question, concept of trigonometric ratio is applied. Trigonometric Ratios The ratios of…

Q: 1. Use the Pythagorean properties to write expressions equivalent to: a. sin?x b. cot?x

A: Now following properties are called as pythagorean properties   sin2x + cos2x =1tan2x + 1 =…

Q: The angle between 0 and 2Pi(360) in radians that is terminal with the angle 20/7Pi in radians is…

A: To find the angle between 0 to 2π in radians which is terminal with the angle 20π7 in radians. To…

Q: Which of the following degree angle measures is equivalent to sin -1 (-0.331) ?

A: To determine: angle in degrees, equivalent to sin -1 (-0.331)

Q: D. Determine what the original trig function and angle measure were based 7. cos40° cos 50° – sin…

A: topic - trigonometric functions 7.) cos (90°). 8.) sin(45°)

Q: △ABC is given with a right angle, ∠B, cos(3x+30)°=sin(12x)°. If ∡A=(3x+30)°, what is the value of…

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Q: When working with equations, it is common to substitute ,2 cos? 0 with sin? 0-1 O True False

A: We have to find whether the given statement is true or false.

Q: If sin ZC AB= and AC = 15, what is the value of cos ZC AB? %3D O 1

A: Given Data: The length of the side  AC is: AC=15 The sine of the angle CAB is: sin∠CAB=35 The sine…

Q: Find sin A, cos A, tan A, and sin B, cos B, and tan B in right triangle ABC, with C=90 degree b=1…

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Q: Match the given information with the appropriate inverse trigonometric ratio to determine mZA. 1.…

A: on solving the problems we get

Q: Use the definitions of the trigonometric ratios to find the value of sin45°, cos45°cos⁡45°, and…

A: Explanation of the solution is given below...

Q: c) do %3D sin*e cos?o

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Q: give the exact value of the following sin 5pi/3?

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Q: . What is the value of limuS0 ((sin u)&gt;u)? Does it matter whether u is measured in degrees or…

A: Limit:     S→0limsin uuThis is the required value of the given limit. So it doesn't matter.

Q: 3. Name a trigonometric ratio using sin that is equivalent to cos 30°.

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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: Consider the given information. Redraw the triangle.   Here for the angle M, the base is 2,…

Q: 10. Use a half angle formula to determine the exact value of tan (#).

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Q: If sec ? =16/5, what is sin ?? Draw a triangle and give an exact answer. No decimal approximations.

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