Q.The number of solutions of $\sin x + \cos x = \sqrt{2} \cos(x - \pi/4)$ in $[0,2\pi]$ is

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Q.The number of solutions of sin⁡x+cos⁡x=2cos⁡(x−π/4)\sin x + \cos x = \sqrt{2} \cos(x - \pi/4)sinx+cosx=2​cos(x−π/4) in [0,2π][0,2\pi][0,2π] is