Prove the identity. sin(x - y) - sin(x + y) = -tan(y) cos(x + y) + cos(x - y) Use the Addition and Subtraction Formulas, and then simplify. 4 sin(x - y) - sin(x + y) cos(x + y) + cos(x - y) Read it 11 ) - (sin(x) cos(y) + cos(x) sin(y)) (cos(x) cos(y) – sin(x) sin(y)) + (cos(x) cos(y) + sin(x) sin(y)) 2 cos(x) cos(y) cos(y) Watch it

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A: Option (a) is correct.

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A: Solving the problem by finding the derivative.

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A: Given : cosπ2+x = -sinx

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A: final answeri have proof the RHS = LSH followingi have attached the image of step by step…

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Q: sin(cos-(0.7068)) O - 1.2926 O 0.7074 2.7074 -0.2926 1.7074

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A: The given expression is sinπ4-x+sinπ4+x

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A: Given,

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