state gov RPSC 2nd Grade Senior Teacher Mock Test Series 2025 Quantitative Aptitude Trigonometry Circular Measure of Angles
If cos 24° = \(\frac{m}{n}\) , then the value of (cosec 24° - cos 66°) is:
1
\(\frac{m^2}{n\sqrt{m^2 - n^2}}\)
2
\(\frac{n^2}{m\sqrt{m^2 - n^2}}\)
3
\(\frac{n^2}{m\sqrt{n^2 - m^2}}\)
4
\(\frac{m^2}{n\sqrt{n^2 - m^2}}\)
5
Question Not Attempted