Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
Solve the following expression - \(\left[\frac{\operatorname{Cos} A}{\sqrt{\left(1+\operatorname{Tan}^2 A\right)}}\right]-\left[\frac{\operatorname{Sin} A}{\sqrt{\left(1+\operatorname{Cot}^2 A\right)}}\right]\)
1
Cot2A
2
Cos2A
3
Sin2A
4
More than one of the above
5
None of the above