Question

If A and B are acute agle are sin A =cos^B ,then find A+B .

Answer 1

Answer:

90

Step-by-step explanation:

Given,

sinA=cosB

as we know that

cosB=sin(90-B)

there for,

sinA=sin(90-B)

by dividing both side by sin,

we get,

A=90-B

A+B=90