SOLUTION: Verify the identity help needed? sinx+siny/sinx-siny= tan(x+y/2)cot(x-y/2)

SOLUTION: Verify the identity help needed? sinx+siny/sinx-siny= tan(x+y/2)cot(x-y/2)

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Question 154114: Verify the identity help needed?

sinx+siny/sinx-siny= tan(x+y/2)cot(x-y/2)
Answer by orca(409) (Show Source): You can put this solution on YOUR website!
Use these two formulas:

So

=
=
=
=
=

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