Question

If sin(A + B)= 1 and sin(A – B)=1/2, then find value of A and B.​

Answer 1

sin(A + B) = 1 = sin 90o A + B = 90o ........(i) sin (A-B) = 1/2 = sin 30o A - B = 30o ........(ii) Solving eq. (i) and (ii),

A = 60o and B = 30

Answer 2

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