Question

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

Answer 1

Step-by-step explanation:

$\tan(a) = \tan(90 - b)$

$a = 90 - b$

$a + b = 90$

Answer 2

tanA=cotB

tanA=tan(90-B)

A=90-B

A+B=90