find:\begin{array} { l } { \text { Find the magnitude of angle A, if : – InterviewSolution

1.	find:\begin{array} { l } { \text { Find the magnitude of angle A, if : } } \\ { \text { (i) } 2 \sin A \cos A - \cos A - 2 \sin A + 1 = 0 } \end{array}
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