Q.The number of solutions of $\cos 2x + \sin x - 1 = 0$ in $[0, 2\pi]$ is

The correct solution involves applying the fundamental concept to derive the final value step by step...

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Q.The number of solutions of cos⁡2x+sin⁡x−1=0\cos 2x + \sin x - 1 = 0cos2x+sinx−1=0 in [0,2π][0, 2\pi][0,2π] is