Question: . Use sum or difference identity to find the exact value of the expression. sin ( 1129) cos(22) - cos(1129) sin(22) 6. Given that cos(a)

". Use sum or difference identity to find the exact value of the expression. sin ( 1129) cos(22") - cos(1129) sin(22") 6. Given that cos(a) = -3, with T

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