Question

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

Answer 1

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Answer 2

Answer:

Given;

tan A = cot B,

To Prove :

A+B= 90°

Proof:

tan A =cot B

tan A =tan (90° - B) [tan (90 -A)=cot A]

A=90°- B

A+B =90°.

Hence Proved