Answers for a in Quadrant II and cos3 3. - for ß in Quadrant III. 4 30. cos (a - B); sina %3D %3D

Q: cot sin 0 cot-tan-sin² e A. B. Cos C. CSC0 D. sece sine

A:

Q: angles

A: As per policy, only first question is answered.  Please refer to the image below

Q: use the product to sum formula to write the product as a sum : Sin (x+4) cos (x-y)

A:

Q: cot r = 2 sin2 x - 1 10. tan x cot x

A: We need to show that,

Q: rcos(2r)+ sin (z) dx Find 9 cos(z)

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Q: 1-3 1+3 cos 0-sin 0 Q: Find an acute angle 6, when cos 0 + sin O

A: cosθ-sinθcosθ+sinθ=1-31+3cross multipy:(1+3)cosθ-sinθ=(1-3)(cosθ+sinθ)

Q: Domain and range of cos x

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Q: sin(A+B) В Simplify: sin A sin B

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Q: sin (-0) cos² (-0) Establish the identity: cos 0 sin 0 sin (-0) - cos (-ø)

A: Given: sin2-θ-cos2-θsin-θ-cos-θ=cosθ-sinθ

Q: dx Sine substitution Evaluate- (16 – x²}3/2*

A: Given:∫dx16-x232sine substitution

Q: sin x + sin x cot² x = csc x

A:

Q: Value of sin(1°)

A: Find the value of sin1°.

Q: Q-2-A-Soluing Trigortometric functionsfer the angle O 1- Cos 20 + Cose o

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

Q: Error Analysis Describe the error.sin θcos(−θ) = sin θ−cos θ= −tan θ

A: Error Analysis Describe the error.  sinθcos-θ=sinθ-cosθ=-tanθ

Q: sin(n)

A:

Q: cos (a-B) 3) cos a sinß Cos tan a + cot ß %D

A: We have to prove this

Q: sin? x cos? x rove that 1 = sin x cosX 1+cotx 1+tanx

A: We have to proof

Q: Prove that Jin (A+B) = Sin A COS B + COSA Sing

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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.