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Verify the identity. sin (x + y) - sin (x - y) = 2 cos x sin y
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2 votes
Verify the identity.

sin (x + y) - sin (x - y) = 2 cos x sin y

User Cgraus
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1 Answer

5 votes

Answer:

Explanation:

Sin (x + y) = sin x cos y + sin y cos x

User Nolen Royalty
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