sin cos 4 12 cos sin 12 4

Q: establish each identity.

A: To prove the identity: sinθ-cosθ+1sinθ+cosθ-1=sinθ+1cosθ Proof: We know that, sin2θ+cos2θ=1 Left…

Q: sin (7π/6) + cos (3π/2)

A: Given,

Q: -1 7. tan ¹ (tan 5) 8. COS -¹ (cos)

A: As per rule of bartleby we can solve only one question at a time and we can solve only three subpart…

Q: Cos 40 x Cos 50 - Sin 40 x Sin 50.

A:

Q: Establish each identity.

A: To establish the identity: sin(4θ)+sin(8θ)cos(4θ)+cos(8θ)=tan(6θ) Solution: We know,…

Q: Establish each identity.

A:

Q: Establish each identity.

A: To establish the identity, we need to prove that the left hand side is equal to the right hand side.…

Q: True or False sin(sin-1 0) = 0 and cos(cos-10) = 0.

A: Given:         sin(sin−10)=0  and cos(cos−10)=0

Q: Establish each identity.

A: The trigonometic formula is given by: sin A cos B -cos A sin B=sinA-B

Q: cos(282°) cos(33°)– sin(282°) sin(33°) - Cos(3159) 2.

A: cos (282°) cos (33°)-sin (282°) sin (33°)Now, we know that cos(x+y)=cosx cosy-sinx sinySo, cos282°…

Q: de (sin(0) cos(0)) =

A:

Q: cos 35° cos 25° - sin 35° sin 25°

A:

Q: Establish each identity.

A: Consider the given identity sin θsin3θ+sin5θ=cos θcos3θ+cos5θ   Consider the LHS LHS=sin…

Q: 3. [cos 6° + i sin 6°] 30 = COS + i sin %3D

A: follow next step

Q: 10. cos 30 cos 0 – sin 30 sin 0 = 2 -

A:

Q: 3 ) -5 cos (sin-1 () tan (cos-1 (=12)) cos ( 7. COS

A:

Q: sin2(78°) + cos2(78°)

A: Question is based on trigonometric ratios and angels.

Q: Evaluate the integral.

A:

Q: 3 5 -1 cos sin cos 5 13

A:

Q: sin 50 integral do 6 + cos 50 ostitution w = 6+ cos 50. do

A: We have to calculate the given  indefinite integral using the given information

Q: . sin 82.5° cos 37.5°

A: Since you have asked multiple questions in a single request, we will be answering only the 1st…

Q: Establish each identity.

A: Given identity is  sin4θ+sin2θcos4θ+cos2θ=tan3θ

Q: 1- sin 3 Cos B 1+ sin 8 Cos 3

A: We have prove the identity 1-sinβcosβ=cosβ1+sinβ , using trigonometric properties or mathematical…

Q: 3 sin(0) = 8. find cot(0)

A: We will use trigonometric identity Sin2(x)+cos2(x)=1.

Q: 5 sin coso do 2 Sin ² + 3 sin 0 -4

A:

Q: 3. sin[cos¯(4/5) – tan-'(3/4)]

A:

Q: sin(π /4)=............cos(8π /3)=.....................

A: We have to find the exact values of the given trigonometric functions: sin π4cos 8π3 We know the…

Q: Sin 22.5 × cos 22.5

A: To find: The value of is . Formula used: Trigonometry formula:

Q: 5 sin 0 – 4 cos 0 If 5 tan 0 – 4 = 0, then the value of 5 sin 0 + 4 cos 0

A:

Q: cos 8+sin e ) sec 20 + tan 20 cos 0-sin e

A:

Q: 13л cos- 9. 13л cos + sin 9 sin 9. 9

A: To find the value of the equation  We know  cos(A-B) = cos(A).cos(B) + sin(A).sin(B)

Q: (sin 0 + cos 0)´ =1+ sin(20) s 0)° =1+sin(20)

A:

Q: sin 30 cos 30 Prove the identity sin 0 2. cos 0

A: Topic = Trigonometry

Q: single trigonometric 2. Simplify sin (3x) cos (4x) + sin (4x) cos (3.x). Express your answer as a…

A: To simplify sin3x cos4x+sin4x cos3x. To express the answer as a single trigonometric function.

Q: Quèstion 1 2 L{ cos 31} = 2 L{ cos 31 } 2 L{ cos 31 sin 3t } 2 L{ sin 3f } cos 6t 2 None of These

A:

Q: ) cos(cos-¹(35)) ) sec(tan-¹(5)) csc(sin-¹(n)) ) cos ¹(cos(29°)) (4π) 5 =) sin ¹[sin ]]

A:

Q: sin 40 + sin 20 12. cos 48 + cos 20 A- tan 30 B B tan 0 cot 30 D D cot 0

A:

Q: Verify the identity.

A: Given: verify the identity cos3x+cos5xcos3x-cos5x=cotxcot4x we know that…

Q: المو Sin 2 0 CosG %3D Sin o COSG

A:

Q: tan 6+ sin 0 cos 2 2 tan e

A:

Q: 49. sin + o) = cos 0 52. cos (7 - 0) = -cos 0 55. tan (7 - 0) tan 0 %3D

A: 49. sinπ2+θ=cosθ Using addition formula  sinA+B=sinAcosB+cosAsinBsinπ2+θ=sinπ2cosθ+cosπ2sinθ…

Q: 3. sin²0 – cos²0 = 2 sin 0 – 1

A: sin2θ-cos2θ=2sin2θ-1

Q: sin 20 · cos 0 + sin² 0 = 1

A:

Q: Cos 0/2 -cos 0=1

A:

Q: sin (2 cos '6u) =

A:

Q: 0. (sin 0 + cos 0)² = 1+ sin 20 %3D

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Sin 5 theta/sin theta=16cos^4 theta - 12 cos^2 theta +1

A: Given: sin5θsinθ=16cos4θ-12cos2θ+1

Q: Verify the identity.

A: Solve the identity : 1/4 sin4β = sinxcos3β - cosxsin3β       ...(1) We know that sin(2x) = 2sin(x)…

Q: 4) 12 34 Cos-1 (12/34) Tan-1 (34/12) Sin-1 (34/12) Sin-1 (12/34) O Tan-1 (12/34) Cos-1 (34/12)

A: Let, the Missing angle be, x  So, we have, tan(x) = 12/34