Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
The value of sin2 θ + cos2 θ - (sec2 θ - tan2 θ) + cot θ sin θ - cos θ is (θ lies in first quadrant)
1
-1
2
sec2 θ
3
1
4
More than one of the above
5
None of the above