Verify the identity: 37 sin 2 -- - -cos x COS X

Q: Prove the identity : Sino-tane. cos'e Case-1+Sin?0

A: Solution of the problem as follows

Q: Verify the identity. (7 cos x-4 sin x)2 + (4 cosx+7 sin x)2 = 65

A: Given,           7cosx-4sinx2+4cosx+7sinx2=65

Q: Express as a sum or difference.sin (-4x) cos 8x

A: sin-4xcos8x

Q: Prove that sin 4A = 4sinA cos³A - 4 cosA sinA.

A:

Q: Verify the identity: 1/(sin θ + cos θ)+1/(sin θ - cos θ) = 2 sin θ/(sin4 θ- cos4 θ)

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Q: Establish the identity. 1- cos 0 sin 0 = 2 csc 0 sin 0 1- cos 0

A: We have to prove, 1-cosθsinθ+sinθ1-cosθ=2 cscθ

Q: Evaluate : 1) | cos x 3) [ cos x 2) [ ,cot ydy sin' x 1+ sin x 7/4

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Q: Verify the identity: (cos 3x - cos x)/(sin 3x + sin x) = -tan x.

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Q: Verify the identities can be proven.   A) (1+cos x )/(1-cos x) - (1-cos x )/(1+cos x )=4 cot x csc…

A: We have to proof that following trigonometric identity.

Q: Verify the identity. sin (3x) - sin (9x) cot (6x) cos (3x) - cos (9x) Start with the numerator of…

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Q: Which expression is equal to sec⁡xsin⁡xcot⁡x+tan⁡x using identities? sin^2x cos^2x -cos^2x

A: As per your question no any option matched...but for x=0 one option is satisfying...and that option…

Q: Prove the identity. cos²x 1+ sinx (1– sinx)? 1- sinx

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Q: establish each identity.

A: To establish each identity, lntanθ=lnsinθ-lncosθ

Q: 7) Verify the identity (cot x – csc x)(cos x + 1) = -sin x

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Q: Verify the identity: cot2 2x + cos2 2x + sin2 2x = csc2 2x

A: The given identity is ot2 2x + cos2 2x + sin2 2x = csc2 2x

Q: Use addition formulas and the values of sin θ and cos θ for θ = π/3 ,π/4 to compute sin 7π /12 and…

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Q: Show that sin³ +cos³0 sin + cos 2-sin 20 2

A: Here we use the formula of (a+b)^3 .

Q: Prove ONE of the follow sin x+ cos 2x-1 tan x %3D a) cos x-sin 2x

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Q: Find the value of 2 sin2 30° tan 60° – 3 cos2 60° sec2 30°

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Q: Calculate the value of expression: sin- cos--2· cos- • tan 5 2

A: Explanation of the answer is as follows

Q: sin 2x 5. cot x = 1- cos 2.x

A:

Q: prove the identity.  1+Cos θ= Sin2θ/ 1-Cosθ

A: Given : 1 + cosθ = sin2θ1 - cosθ

Q: ضوع الشرب Please prove it Sin Cos +1 = 1 + sin Sin + Cos - 1 Cos ##

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Q: Prove 4 (cos 10° + sin' 20° = 3 (cos 10° + sin 20°

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Q: Verify the identity: sin(α + β) sin(α - β) = cos2 β - cos2 α

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Q: 3. Which expression is equal to O - cos²x sin² x O - sin²x O cos²x secx sin x cotx+tan x using…

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Q: Can you show me the step-by-step proof of this

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Q: VERIFY THE IDENTITIES

A: To verify

Q: Establish the identity. 1-2 sin 20 cos 20-2 sin 40 = cos (20)

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Q: Which expression is equivalent to sinαcosαsec(−α) for all values of α for which sinαcosαsec(−α) is…

A: Given,           sinαcosαsec-α

Q: Establish the identity 2 2 cos - sin 0 2, 1 - tan 0 2 = cos 0.

A: To establish the identity

Q: Verify the identity: cot(-x) sin x = -cos x

A: cot(-x)=-cot(x)cot(x)=cos(x)sin(x)

Q: Simplify sin “ z – cos“ æ O 2cos (x) - 1 O 2sin*(x) - 1 O 1+ 2sin*(x) O 1+ 2cos (x)

A: Using trigonometric identities.

Q: 35. cos x + = sin x %3D

A: Solving the problem by doing the verification.

Q: Prove the identity. secx (1-sin'x) = cannot b cosx %3D

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Q: 2) Explain why sin(8) = cos(90-e). %3D

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Q: 1. Which expression is equal to sec x tan z sin x using identities?

A: We can use simple trigonometric identities to solve the given equation.

Q: Verify the identity 2 tan α/2 = (sin2 α + 1 - cos2 α)/sin α(1 + cos α)

A: Verify the identity 2 tan α/2 = (sin2 α + 1 - cos2 α)/sin α(1 + cos α)

Q: Prove the identity. cos (-x) 1- sin (-x) = secx- tanx

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Q: 1. Verify the expression cos(x) + sin x tan x = secx.

A: Given, cos x + sin x tan x = sec x

Q: 17 prove 4 Cos" ☺ - Sin" 0 = Cos20

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Q: Verify the identity. 2 cos 3x sin x = 2 sin x cos x – 8 cos x sin3 x Working with the left-hand…

A: Using the product to sum identity

Q: Prove the identity. cos (-x) 1- sin(-x) secx- tanx

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Q: Verify the identity: tan θ = (1 - cos 2θ)/sin 2θ..

A: Given, tanθ=1-cos2θsin2θ