Establish the identity. (5 cos 0 - 6 sin 0)2 + (6 cos 0 + 5 sin 0)2 = 61 Rewrite the left side by removing the parentheses. + 36 cos 20 + 60 cos 0 sin 0 + 25 sin 0 (Simplify your answer.) Rewrite the expression found in the previous step by combining like terms. (Do not factor.) Rewrite the expression found in the previous step by factoring out the common term. The expression from the previous step then simplifies to 61 using what? O A. Cancellation Property O B. Even-Odd Identity O C. Quotient Identity O D. Pythagorean Identity O E. Reciprocal Identity