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4. If tan A = cot B, prove that A + B = 90°.

4. If tan A = cot B, prove that A + B = 90°.

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 8741 Points
3 months ago
tan A = cot B We know that cot B = tan (90° – B) To prove A + B = 90°, substitute the above equation in the given problem tan A = tan (90° – B) A = 90° – B A + B = 90° Hence Proved.

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