4. which ratio is correct for cos (B)? (GSR %3D In AABC, LC is the right angle. If sin (A) =

Q: 4. Apply half-angle formula to find a. cos 15° b. sin 15° C. COS

A: Given: cos15∘, sin15∘, cos5π8 We know that cos2x=cos2x-sin2x…

Q: 6. B In right triangle ABC above, what is sin B?

A: Given, The right triangle ABC with right angle at C Where AB=8, BC =5  and  CA = 6 We have to find…

Q: If cos(0) : 3 and e is in the 3rd quadrant, find the exact value for sin(0). 4 %3!

A: To find the value of sin.

Q: Given: cos A= -, sin x = - 3, e is in the third quadrant, and x is in the fourth quadrant; evaluate…

A: Given, cosθ=-45  where 180°<θ<270°We know that ,sin2θ+cos2θ=1sin2θ+-452=1sin2θ+1625=1Subtract…

Q: Given that sin(0)= TT 3 and 2 <0<π what is the exact value of cos(20)?

A:

Q: If cos 0 2. and 0 is in Quadrant III, then sin 0 is equivalent to 4 (1) -7 (2) V7 (3) - 4 4 (4) 등 4

A:

Q: In AXYZ, the measure of ZZ=90°, YX = 37, ZY = 12, and XZ = 35. What ratio represents the sine of ZX?

A:

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

A: Topic - trigonometry ratio

Q: Given that 3 tan 4x = 1-4 sec 4x, the largest value of æ, for () < x < T, is PT radians, where p =

A: The given trigonometric equation is  3tan24x = 1 - 4sec4x

Q: TO is equal to 10 TO 4. The value of 4cos -3 sec 10 tan 30

A: We will find out the required value.

Q: 2. Use a calculator to find an approximate radian angle measure rounded to the nearest 1,000th. a)…

A: Since you have posted multiple sub parts, as per our policy we will answer first three sub parts.…

Q: Match the ratios for sin X, cos X and tan X.

A:

Q: 3 Given sin 0 = - in TT 0 < 0 < =, find the five remaining trig functions. 2

A: We find the remaining trigonometry function

Q: 2r What is the value of cos (0) m the right triangle above?

A:

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: A right-angled triangle xYZ has an angle, o, where sin o = 5. Without evaluating &, calculate the…

A:

Q: Enter your answer as an exact ratio, or a decimal rounded to at least 4 decimal places. If tan(0)…

A: We find the values by Pythagoras theorem.

Q: 8 Find the EXACT value of cos(A – B) if angle A is arccos and angle B is arcsin 17

A:

Q: Find the smallest positive angle such that sin 2a = cos 3a %3|

A: As per our guidelines we can solve only one question. Rest question can be reposted.  Here in…

Q: 1. Given that the radius r of the unit circle is 1, what would be the values of sin 0 and cos 0 in…

A: according to our guidelines we can answer only three subparts, or first question and rest can be…

Q: 7. Find the exact value of tan 6 + sin 0 for the angle 0 shown. 3

A:

Q: 3 Given that the cos(0)= and is in the first quadrant, what is the exact value of sin(20) ?

A: Given that: cos(θ)=35  and θ is in first qudrantWe know that sin2θ+cos2θ=1substituting  cos(θ)=35…

Q: IfØ is the angle between a line through the origin and the positive x-axis, the area, in cm?, of…

A: Given that: A=3θ+4sinθ+12sin2θ Therefore, rate of change of area charging is as following: dAdt.…

Q: 14. If sin® = , where 0° <0s 90°, what is 0? %3D

A: sin θ = 22sin θ = 12sin θ = sin 45°      θ = 45°

Q: 19 21 Choose the function that could be used to find the measure of the angle with the "?". sin COS…

A: Given: A right-angled triangle with hypotenuse 21 units, and a side as 19 units. From the unknown…

Q: 5 In right triangle DEF, if mLF = 90 and cos E = sin D is equal to

A:

Q: 12 what is the value of sec 13 (a+ If sin a 13 and cos a

A: Given,            sinα=513 and cosα=1213To find : secα+π4

Q: GIven that 16cotA = 12  Find the value of( (sinA+cosA)/(sinA-cosA)

A:

Q: 3. Use a calculator to find an approximate degree angle measure rounded to the nearest 100th. a) sin…

A: The values are given as sin-10.854=58.64o cos-123=48.18o

Q: 13 Given : tau e = u and ☺ B in Qundrant I. Show that Sin O %3D VItu?

A: Given: To show: Graph:

Q: tan(a-β ); sinα = 8/17 for α in Quadrant II and cosβ = −(9/41) for β in Quadrant III

A: The objective is to find tan(α-β) .

Q: 7. find the following RATIOS: 24 If tan 8 = Sin e = [ Select] %3D Cos 0 = [ Select ]

A:

Q: If y = cos*[sec? (30)], and (0 =) y will be equal to?

A:

Q: 2. If sin 0 = and e is in the second quadrant, find tan, 0.

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 2. If tan 0 =, 0 E Q II, find the other five trigonometric functions. %3D

A:

Q: 11. Find the five remaining trig ratios of 0 if sin 0 = and 0 is in quadrant II. Use simplified…

A: Given  sin(θ)=37we know that sin =opposite hypotenuseopposite side=3  and hypotenuse =7make a right…

Q: tan(a+β) ; cosα = −(11/61) for α in Quadrant III and sinβ = −(63/65) for β in Quadrant IV

A: To find: tan(α+β)

Q: Suppose cos(α)=−3/4 and sin(α) is negative. If the point (−3,y) is on the terminal side of the…

A: Use trigonometric ratio  &amp; its identity

Q: 15) In right ABYE, ZY is a right angle. Cos(B) is . What is sine of ZE?

A: Sin E=Opposite/hypotenuse  Cos B=Adjacent/hypotenuse

Q: (금) 7 Suppose that is an angle in quadrant 3 and that cos y = Compute the exact value of sin 25 sin…

A: Given, cosγ = -725  γ2 is an angle in quadrant 3  We have to find the exact value of sinγ2.

Q: Given that tan A= and sin(A B) = 2 cos(A– B), the exact values of %3D sin 2A = and tan B = %3D

A: To find Sin2A and tanB Given that tana=1/3 Sin(A+B)=2cos(A-B)

Q: 7) Use the given figure to write the trigonometric ratio as fractions and as decimals rounded to the…

A:

Q: Given: tan θ=12/5 What is the trigonometric ratio of cos θ?

A:

Q: If sin y° =  9/c and tan y° = 9/d, what is the value of cos y°?

A: We know that, tan y°=sin y°/cos y°, So, cos y°=sin y°/tan y°.

Q: Given that sin 0 =-- and 0 lies in quadrant IV, find the exact value of cos

A:

Q: 24 Given that sin(0) =- and 0 is in Quadrant III, what is cos(20)? %3D 25

A:

Q: b) If sin e = 0.625 and cose = 0.500, determine, without using trigonotric tables or calculators,…

A:

Q: 8. Given that sin 0 = , and the angle 0 is in the first quadrant, find the value for cos 0.

A:

Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.