Question

If sin a = and cos = then a + B = .........​

Answer 1

Answer: sin a = cos b

Then, sin a = sin(90-b)

a=90-b

a+b=90°

Answer 2

Answer:

your ans

Step-by-step explanation:

sina=cosB

=sin a=sin{90°-B}

=a=90°-B

=a +B =90°

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