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If sin B-cos A= 0, then what is the value of A+B? |
90 degree 45 degree 60 degree 0 degree |
90 degree |
We are given that :- sin B-cos A= 0 ⇒ sinB = cosA { we know, Iff sin x = cos y , then x + y = 90º } So, A + B = 90º |
