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  • 24-05-2023
  • Mathematics
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Prove the identity, sin(x + y) - sin(x - y) = 2 cos(x) sin(y)
Use the Sum and Difference Identities for sine, and then simplify sin(x + y) - sin(x - y) = sin (x) cos (y) + cos (x) sin (y) - (sin (x) cos (y) - .....)
= .....

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