Q.The number of solutions of $\cos x + \sin x = \sqrt{2}$ 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⁡x+sin⁡x=2\cos x + \sin x = \sqrt{2}cosx+sinx=2​ in [0,2π][0, 2\pi][0,2π] is