SSC IB Security Assistant & MTS Mock Test Series 2023 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
यदि \(\rm \sin \theta=\frac{5}{13}\)है, तो \(\rm \frac{\cos^2 \theta-\sin^2 \theta}{2\cos \theta.\sin \theta}\) का मान क्या है?
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115/126
2
113/120
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117/136
4
119/120