যদি secA + tanA = 5 হয়, তবে sinA = কত? - Prothom Sir

যদি $s e c A + \tan A = \sqrt{5}$ হয়, তবে sinA = কত?

Created: 9 months ago | Updated: 3 months ago

\sqrt{5}

\frac{3}{2}

\frac{2}{3}

\frac{1}{\sqrt{5}}

127

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