If the equation has a solution

MATHEMATICS · Single correct · CBSE · Mathematics · Trigonometric Functions · Trigonometric Functions

Problem

If the equation psin⁡2x+cos⁡x=pp\sin 2x+\cos x=p has a solution, then the range of pp is (a) (−∞,∞)(-\infty,\infty) (b) [−1,1][-1,1] (c) (−∞,0](-\infty,0] (d) [0,∞)[0,\infty)

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