Question

If+sin(A+B)+=+1+and+cos(A-B)+=+1+find+A+and+B.+
EXPERTS,+please+explain+the+solution+step+by+step.

Answer 1

Step-by-step explanation:

Given,

Sin(A+B) = 1

so Sin(A+B) = Sin (90)

therefore,  A+B = 90  .. ... (i)

also

Cos(A-B) = 0

Cos(A-B) = Cos 0

So A-B = 0 ......(ii)

from (i) and (ii)

A = 45

B = 45

hope this helps

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