state gov AP Police SI (Pre+Mains) Mock Test 2022 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
What is the simplified value of \(\left[ {\frac{{\cos A}}{{(1 - \tan A)\;}} + {{\frac{{\sin A}}{{(1 - \cot A)\;}}}}} \right]^2?\)
1
sin A + cos A
2
1 + sin 2A
3
1 + cos 2A
4
tan A + cot A