Express the given product as a sum or difference containing only sines or cosines. sin (6x) cos (2x)

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Q: Express each product as a sum containing ONLY sine or ONLY cosine: a) sin(40)cos(60) ) cos () b) sin

A: To express each product as a sum containing only sine or only cosine.a sin4θ cos6θb sinθ2 cos5θ2

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Q: Express the given product as a sum or difference containing only sines or cosines. cos (5x) cos (8x)

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A: Explanation is given below...

Q: Express the given product as a sum or difference containing only sines or cosines. 3x COS sin 3x COS…

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Q: Find all the values of sin-1 i. |

A: Given, sin-1i. Let sin-1i=z. Then, sinz=i. As sin2z+cos2z=1 so,…