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Number of solutions of the equation $4 \sin^{2} x + \tan^{2} x$ $+ \cot^{2} x + {cosec}^{2} x = 6 in [0, π] is$

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Correct option is A

2sin2⁡(π/2)cos2⁡x=2sin2⁡((π/2)sin⁡2x) or if (π/2)cos2⁡x=±(π/2)sin⁡2x or if either cos⁡x=0 or cos⁡x=±2sin⁡x and cos⁡x=0 if x=(2n+1)π/2.

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Number of solutions of the equation 4sin2⁡ x+tan2⁡ x+cot2⁡ x+cosec2⁡ x=6 in [0, π] is

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Number of solutions of the equation $4 \sin^{2} x + \tan^{2} x$ $+ \cot^{2} x + {cosec}^{2} x = 6 in [0, π] is$