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Class 10 Book Solution from Gonit Prakash in Trigonometric Ratios and Trigonometric Identities Question No: 23.3(3)(xii)

\(5sin^2\theta+4cos^2\theta=\frac92\) সম্পর্কটি থেকে \(tan\theta\)-এর মান নির্ণয় করো ।

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