a Find the values of A and B in the identity A (2 sin x + cos x) + B (2 cos x sin x) = 7 sin x + 11 cos x. 7sinx + 11cos.x b Hence show that dx = 1 -(5л + 6In 2). 2sinx + cosx

Q: snip

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A: sinx1+cosx=sinx1+cosx×1-cosx1-cosx=sinx1-cosx1-cos2x     ∵a+ba-b=a2-b2=sinx1-cosxsin2x…

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A: INTEGRATION

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A: As value of cosθ and sinθ revolves around +1 to -1 , they take different values depending on the…

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A: We have given 11-cosv+11+cosv Then, 11-cosv+11+cosv=1+cosv+1-cosv1-cosv1+cosv=21-cos2v=2sin2v

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A: Given : cosα - βcosα sinβ = tanα + cotβ

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Q: sin x (cos x + 4) dx 1+cos²x

A: SOLUTION-

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A:

Q: Verify the identity: [sin 2x + (sin 3x + sin x)]/[cos 2x + (cos 3x + cos x)] = tan 2x

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A:

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A: use the property of even function and odd function to evaluate the integral.

Q: a ud X Is in guer find Sin x for cos *, aud fein x guediant! tanx = -/2 %3D

A: Given tanx=−125