Question

If sin A=
cos B then A+B=?


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Answer 1

Answer:

A+B = 90°

Explanation:

sinA= sinB

is only possible when the values of both LHS and RRHS will be equal..

By the values table we can infer that sin 45°= cos45°

So A=45 and B=45

Then A+B= 45+45= 90°

Hope you understood..Thanks