state gov RPSC 2nd Grade Senior Teacher Mock Test Series 2025 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
\({Simplify } \frac{1 + \sin \theta - \cos \theta}{1 + \sin \theta + \cos \theta}\)
1
\(\cos \frac{\theta}{2}\)
2
\(\sin \frac{\theta}{2}\)
3
\(\cot \frac{\theta}{2}\)
4
\(\mathbf{\tan \frac{\theta}{2}}\)
5
Question Not Attempted