Madhyamik Question Paper Solution of Year 2020 Question No: 12.(iii)
মান নির্ণয় করো : \(\frac{5\cos^2\frac{\pi}{3}+4\sec^2\frac{\pi}{6}-\tan^2\frac{\pi}{4}}{\sin^2\frac{\pi}{6}+\cos^2\frac{\pi}{6}}\)

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