Teaching NVS Junior Secretariat Assistant (JSA) Mock Test 2024 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
यदि sec A = \(\frac{5}{4}\) है, तो \(\rm \frac{\tan A}{1 + \tan^2A} - \frac{\sin A}{\sec A}\) का मान क्या होगा?
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