Question: Verify the identity. StartFraction negative cosine left parenthesis alpha plus beta right parenthesis Over cosine left parenthesis alpha minus beta right parenthesis EndFraction equalsStartFraction tangent

Verify the identity. StartFraction negative cosine left parenthesis alpha plus beta right parenthesis Over cosine left parenthesis alpha minus beta right parenthesis EndFraction equalsStartFraction tangent alpha tangent beta minus 1 Over tangent alpha tangent beta plus 1 EndFraction Question content area bottom Part 1 Write the numerator and denominator of the right side of the identity in terms of cosine and sine. StartFraction nothing Over nothing EndFraction (Do not simplify.)

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