Which expression is equivalent to Cos(4x) + cos(2r)? O A. 2cos(3r)cos Ов. -2sin(3r)sinr C. 2sin(3x)sin O D. -2cos(3)cosr

Q: C A If m/C = 90° while m/A=a and m/B = 3 in AABC, an expression representing the sum ( a+b sin a…

A:

Q: Find the exact value of the expression. 57t COS 12 o VZWB - 1) VZW3-1) 4 O 2W3-1) 4

A:

Q: The Equivalent expression of cos 3A sin A cos A is Select one: csc A – 2 sin A + 2 sin? A CSc A csc…

A: Simplification of trigonometric ratio

Q: What is the exact value of the COS ZXY Z? X 6. 7 8

A: Topic :- Triangle

Q: GUEN {) en: Sinx ,0s 2. COS X is equal o A O B) -4/24 c) s/24 D) 4/6

A:

Q: Simplify the following expressions: cos 20 a. sin 8+cos 0 tan 2x b. tan x C. sin 2x tan-

A: a) The given expression is, cos 2θsinθ+cosθ. Simplify the expression as shown below. cos…

Q: Simplify the following expression: tan x csc X 2. cos (90-e)-1 3. 1+sin (-0) 1. sin x cot x sec x…

A:

Q: 11. Determine the correct simplification of the expression (1+ cos a)(1 - cos a). a. 1- sin a b.…

A: To simplify :  (1-cosα)(1+cosα)

Q: Which expression is equivalent to sin(2r)cosr? O A. cos(3r) + cos O B. (cos - cos(3x) COS3 Oc…

A: we will following trigonometric identities  sin(A+B) = sin(A) cos(B)+cos (A) sin(B) sin(A-B) =…

Q: Simplify the expression by writing it in terms of 0. 3n. cos(0 – 37) 2

A: We know that, cos-α=cosα          ⋯⋯1cos3π2-α=-sinα       ⋯⋯2

Q: Rewrite the expression as a simplified expression containing one term. sin (a - B)+ sin (a+ B) cos…

A: To Determine: rewrite the expression as a simplified containing one term . Given: we have a function…

Q: Find out Sm(A+B)=D5n A +SB? Sin (A+6=? Cos (A-B)=? Sn(A-B=1 CooCA+B)=7

A:

Q: Simplify the following: 2 cos? 105° – 1 -rt(3)/2 O rt(3)/2 O -1/2 O 1/2

A: Given to simplify 2cos2105°-1 The formulas used here are cos2x=2cos2x-1cos180°+x=-cosx

Q: 3. Given AMNO, which represents the value of cos(O)? * 40 50°

A:

Q: The value of the expression cos x – tan? r – 5+ sin? r+sec² z is, -3 O -10 csc r O 10 secz O 10 tan…

A:

Q: 3dx In solving the what is equivalent of (7 a2) ? (7 22) 2 O 7 cos 0 343 cos 0 O v7 cos e O 7/7 cos…

A:

Q: Determine the correct simplification of the expression (1+cos a)(1- cos a). 1-sin' a b. cos a a.…

A: We can solve both the question using the properties of trigonometry as below (1+cosα)(1-cosα)

Q: 2. Simplify the expression: cos (x+)+ cos (x (x%) (i +*) =

A:

Q: 5. Simplify the following expression! (1+2i)|3+ i[² (c +i· sin 6. COS |

A: That's easy. Have a great day!!!

Q: 10. Simplify each expression to the equivalent expression shown. sin 2x a) 1- cos 2x' b) sin (x + y)…

A: 10. To determine :- Simplify each expression to the equivalent expression. (a) Solution :- sin 2x1-…

Q: Simplify the expression: (1 + cos a)(1 — cos(-a)) O sin² a 2 cos a 1 + 2 cos a + sin² a sin a

A: We have to solve the expression

Q: Simplify the expression: (1 + cos a)(1- cos(-a)) O sin² a cos a 01 + 2 cosa + sin²a sin a

A: The given expression is 1+cosα1-cos-α

Q: If sin(2x +7) cos(4x 7), what is the value of x? 7 B. 21 15 D. 30

A:

Q: Simplify the following expressions: cos 50 +i sin 50 (a) cos 20 -isin 20 cos e-isin e (b) cos 40…

A:

Q: Write the given expression as an algebraic expression in x. cos( cos 4») COS X)T SO

A: Recall:  cos (2x)=2cos2(x)-1 Given,  cos12 cos-1x

Q: 22. Evaluate the expression for A 90°, B = 180°, and C 270°. %3D sin A + 2cos B sec B – 3csc C

A: Substitution of the angles in the given expression helps to find the required value. Trigonometric…

Q: What is the equivalent expression of 1+008 (2) + 1–008 (2) a) 2 csc²(z) Ob) 2 cos² (1) O c) sec²(x)…

A:

Q: For any real numbers a, n, and C, cosn?+4 0 + C. 2 COS n²+3 O d0 = a cos а cos n² + 4 O True False

A:

Q: Find (sin z?). Note: this notation means 4 (sin (x?)). d dæ O a2 . cos 2x O 2 cos r? O 2x · cos a? O…

A:

Q: 5.) r= 4 + cos(0) 프 프 37 27

A: Note*: Since the given question is multiple question type, as per our guidelines I can solve only…

Q: Recall: sin?A+ cos? A = 1 # 4 Simplify each expression a) Expand (sin 0 + cos 0)2 b) 3 cos (20) + 3…

A: Part a,Given,           sinθ+cosθ2

Q: Q10: csc (x + 360) = cos x * True O False

A:

Q: Find the exact value of the expression. 3 sin | 2 cos 24 OA. 25 24 OB. 25 12 OC. 25 12 O D. 25

A: The given expression is : sin2 cos-1-35 To find the exact value of the expression.

Q: Simplify the given expression. sin(3x) cos(5x) − sin(5x) cos(3x)

A: To simplify sin(3x) cos(5x) − sin(5x) cos(3x)

Q: Which of the following expressions is equal to the given expression below? 1-c O s 8x 1+c oS 4x V1 –…

A: 1-cos8x1+cos4x

Q: PROVE THE GIVEN 2n sin? (V5 - 1) sin? 3 8

A:

Q: Which is an equivalent expression for sin K? 11

A: Our Aim is to find sin (K) in the given triangle below:-

Q: Which of the following is equivalent to expression cosh?u - sinh?u? 1 2e" © none of the given…

A:

Q: sin (a- B) - sin (a+ B) cos (a- B) - cos (a+ 3)

A:

Q: 12. Determine the correct simplification of the expression tan acos a+ cos a. a. sin? a b. cos a sin…

A: Given: tan2α cos2α+ cos2α

Q: Rewrite the expression in terms of the given function or functions. 2. cos x+ cos x-1+ sin x, cos x…

A:

Q: hich is the equivalent form of the expression 2+tan'z 1? - sec ӕ cos I cos z- 2 sin? x 1+sin2 z O no…

A:

Q: What is the value of cos W? O A 7 OA. OB. C V113 O D. 7/8

A:

Q: TT The expression 4 sin w/ IT cos 6. simplifies to 1 V3 2

A: Option (B) is correct

Q: d sin D, sin E, cos D, and cos E. Write each answer as a fraction in simplest form. 12 15 D=| E = |…

A:

Q: Which equations are true? Select all that apply. C 3 A 4 O cos(A) O cos(A) O cos(A) O sin(A) Osin(A)…

A: In a right angle triangle with respect to angle θ, the sine and cosine function is defined as, sin…

Q: Which of the following is a simplification of: sin () cos() – sin ( a. 2 C. 2 1 V3+1 b. d. 2/2 C O D

A: Given,sinπ3cosπ12-sinπ12cosπ3

Q: Suppose that (ax + b) cos x dx = -4. What is the value a? cos x a) a = -2 b) a = 4 c) a = 2 d) a =…

A: We can find the value of a as below

Q: Which of the following is TRUE? A. 1- sin ? = cos? cos 2 B. 1- cos? 20 = sin² 20 C. 1 – tan? = sec?…

A: