state gov RPSC 2nd Grade Senior Teacher Mock Test Series 2025 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
If θ is an acute angle, find the denominator D when
(cot θ - cosec θ)2 = \(\frac{1 - \cos θ}{D}\)
1
1 + sin θ
2
-sin θ - 1
3
-1 - cos θ
4
1 + cos θ
5
Question Not Attempted