Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
If sin2 θ = 2 sin θ - 1, 0° ≤ θ ≤ 90°, then find the value of \(\rm \frac{1 + cosec \theta}{1 - \cos \theta}\)
1
-2
2
2
3
1
4
More than one of the above
5
None of the above