state gov DDA Junior Secretariat Assistant (JSA) Mock Test 2023 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
यदि\(\left\{\left(\frac{\sec θ-1}{\sec θ+1}\right)\right\}^{\mathrm{n}}\)= cosec θ - cot θ है, तो n = ?
1
1
2
0.5
3
-1
4
-0.5