In the following problem, the expression is the right side of the formula for cos(a- B) with particular values for a and B. cos(64°)cos(19°) + sin(64°)sin(19°) a. Identify a and B in each expression. The value for a: The value for B:

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A:

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A: We can make it easier for you.

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A: Here I am attaching image so that you understand each and every step.

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A: Consider the given expression as cos-1-32

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