ow that A cos(wot)+ B sin(wot) can be written in the form n(wot – 0). Determine r and 0 in terms of A and B. If os(wot – 8) = r sin(wnt – 0), determine the relationship ar 5, and 0. - tan(0) R =

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A:

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A:

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A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

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A:

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A: Given: Since, So,

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Q: Ex2: Use the identities 4 and 5 to prove that: cos(x- y)-cos(x+y) (a) sin x sin y = 2

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A:

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A: Given.

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A: Trigonometry function 3π/2=270° π=180° π/2=90°