Question: b) Sin2(x) + Sin(x) 2 = 0 for x E R Let Sin (x) = t t2 + t 2 = 0 This quadratic equation

b) Sin2(x) + Sin(x) 2 = 0 for x E R Let Sin (x) = t t2 + t 2 = 0 This quadratic equation has the roots as : 1, -2 (-2 gets rejected) Hence, t = Sin (x) = 1 x = 11: / 2 Therefore, it = n/ 2 for any integer 'n

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