Which of the following is true? cos(x) + cos(7x) A Scos(3x)cos(4x)dx = J 2 J sin(4x)cos(3x)dx = [ cos(x) + cos(7x) 2 C) All of the above r cos(x) – cos(7x) Ssin(3x\sin(4x)dx = [ cos(x D sin(3x)s 2 ® Jsin(3x)cos(4x)dx= [ sin(7x) – sin(x) Xp- 2

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A: We need to evaluate integral.

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Q: Find dy clx In (sin(8x3)) a) y=(√√x2-1) In (sin( b) y = 1+ sin ² (3x)+sin 4 (3x) + sin 6 (3x)+.... +…

A: Since, you have posted multiple questions.As per guidelines we are supposed to answer only first…

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A: Please see the explanation below

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A: Step 1:Step 2: Step 3: Step 4:

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Q: Ssin(x)cos(2x)sin(3x) dx sin(3x)cos(3x) sin(2x) SinZx [cos(2x) – 1]+ 8 * + C + 12 sin(3x)cos(3x),…

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Q: (b) Verify that f(x) = 2 cos(x) sin(1x). f(x) = sin(6x) + sin(7x) = 2 sin = 2 sin 6x + N 2 X COS 6x…

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Q: dr (g) sin(2x) + 4 sin r

A: Sorry we can answer first question as per honor policy. Please resubmit other question as well to…

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Q: Ssin(x)cos(2x)sin(3x) dx O sin(6x) sin(2x) , sin(2x)cos(4x) 24 8 8 + 4 sin(3x)cos(3x), sin(2x) +…

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Q: a) 8 x4 dx b) | (tan(5a) + sec(5æ)) da c) / 8sin(=) cos(x) dx cos((x) dx

A: Here we have to evaluate the following integral.  a) ∫x38-x4dxb) ∫tan(5x)+sec(5x)dxc)…

Q: (cos(2x) – sin(2x) cos(2x)) cos(x) – sin(x) For -dx%3D +C. What is F (x)?

A: