4. If tan A = cot B, prove that A + B = 90°.
Harshit Singh , 3 Years ago
Grade 12th pass
10 grade maths> 4. If tan A = cot B, prove that A + B = 9...
1 AnswersPawan Prajapati
Last Activity: 3 Years 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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