Verify the identity. 2 2 cotx- cos X cot x- cos x Which of the following four statements establishes the identity? O A. O B. O C. = cot x + cos x O D. 2 2 cot X - Cos X cot x- cos X 2 2 cotx- cos X cot x- cos x 2 cotx- cos cot x- cos x 2 X 2 2 cot x cos X cot x- cos X = cot x + cos x)(cot x + cos x) cot x- cos X = cot x + cos x)( cot x- cos x) = cot x+cos X cot² X cot x 2 COS X COS X = cot x + cos x (cot x+ cos x)(cot x- cos x) cot x- cos X = cot x + cos X = cot x + cos x = cot x + cos x

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Q: Prove that 17 cos? 40° cos 80° + cos 80° cos? 20° + cos 200° cos 40° SOS 16

A: Consider the expression cos240°cos280°+cos280°cos220°+cos2200°cos240°=1716

Q: Verify the identity. cos xcot? x= cos xcsc? x- cos x Which of the following four statements…

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Q: Verify the identity. 2 tan X-CSC tan x-csc X 2 X = tan x + csc X

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Q: Verify the identity. 2 cos t cot t = cos tsin t Which of the following four statements establishes…

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Q: Establish the identity. cotu-cscu= - sin u 1 + cos u Which of the following statements establishes…

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Q: Verify the identity. tan ² x + sec ² x= 1 + 2 tan ² x Which of the following four statements…

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Q: establish each identity.

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Q: Express as a sum or difference.5 cos u cos 5u

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Q: 2. Write a proper L.S. R.S. proof for each of the following trigonometric relations. a. cos²x+cot² x…

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Q: Verify the identity. cos (x+ n) = - c COSX

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Q: Verify the identity. cos x cot x= cot x- sin x cos x Which of the following four statements…

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Q: Select the simplest expression that is equivalent to sec x + tan x sec x tan x Hint O2 csc2 1 cos? r

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