Question

If sin a = cos B, then what is the value of a + B? ​

Answer 1

Answer:

90°

Step-by-step explanation:

if sin A = cos B

then either A is 30° and B is 60° or vice versa

also it can be both A & B are equals to 45°

then in all cases A+B= 90°

hope u like it .thank u