Question

If tan =cot B , prove that A+B = 90

Answer 1

Answer is attached in photo below

Answer 2

$\bf\red{\underline{Solution:-}}$

It is given that

tan A = cot B

⇒tan A=tan (90° −B )        

{ °•° cot B = tan ( 90° − B ) }

⇒A = 90° −B

⇒A + B= 90°

Hence Proved✓✓

$\bf\red{Thank\:You}$❤