SSC IB Security Assistant & MTS Mock Test Series 2023 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
जर \(\rm \sin \theta=\frac{5}{13}\), \(\rm \frac{\cos^2 \theta-\sin^2 \theta}{2\cos \theta.\sin \theta}\)? मग मूल्य काय आहे?
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