Ex 8.3, 4 - If tan A = cot B, prove that A + B = 90 - Trignometric ratios of complementry angles

  1. Chapter 8 Class 10 Introduction to Trignometry
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Ex 8.3, 4 If tan A = cot B, prove that A + B = 90°. tan A = cot B tan A = tan (90 – B) Comparing angles A = 90 – B A + B = 90° Hence proved.

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