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in Trigonometry by (32.2k points)
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If A and B are acute angles such that sin A = cos B then (A +B) =? 

(a) 45°

(b) 60°

(c) 90°

(d) 180°

1 Answer

+1 vote
by (32.3k points)
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Best answer

Correct answer = (c) 90°

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