Question: please help! when you answer could you please separate the three answer so I can read it easily? Thank you! 8. Complete the left-hand column
please help! when you answer could you please separate the three answer so I can read it easily? Thank you!

8. Complete the left-hand column of the table below following the steps indicated in the right-hand column to show that sina sinb= 3 cos(a - b) - cos(a+ b) ] is an identity. Use the definitions of sum and difference formulas for cosine. (4 points) Calculation Reason Given on the right side of the original equation Apply the definitions of the sum and difference identities for cosine Simplify the expressions
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