Establish the identity Write the left side in terms of sine

Establish the identity. Write the left side in terms of sine and cosine. Simplify by writing the expression from the previous step over a common denominator. Rewrite the expression from the previous step by multiplying the numerator and denominator by 1 - sin u. Write the numerator of the expression from the previous step in terms of cosine. The fraction from the previous step then simplifies to using what? Cancellation Property Pythagorean Identity Quotient Identity Reciprocal Identity

Solution

A

107=81+25+1+0

B.

263=169+81+9+4