Question: Given that tan A = is in quadrant 3, and cos Bis in quadrant 2, what is the exact value of sin(A B)?

Given that tan A = is in quadrant 3, and cos Bis

Given that tan A = is in quadrant 3, and cos Bis in quadrant 2, what is the exact value of sin(A B)? " + 679 (4 marks)

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