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5. If tan(A + B) = 1, and cos(A - B) =find A and B. |
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Answer» Values:••To Find :• The VALUE of A and B =?Solution :Given :• 0° B We know that, •A + B = 45° ............(1)•A - B = 30 ............(2)Adding Equations (1) and (2) :_______________________________Putting the value of A in equation (1) we get, Therefore, • The value of A is 37.5°• The value of B is 7.5° |
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