SOLUTION: which sum or difference identity would you use to verify that sin(180 + theta) = -sin(theta)?

SOLUTION: which sum or difference identity would you use to verify that sin(180 + theta) = -sin(theta)?

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Question 1012726: which sum or difference identity would you use to verify that sin(180 + theta) = -sin(theta)?
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
sin(a + b) = sin a * cos b + sin b * cos a
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