defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Mathematics Trigonometry Trigonometric Functions
cotθ + tanθ = 2 का सामान्य हल क्या है?
1
\(\rm \theta=\frac{n\pi}{2}+(-1)^n \frac{\pi}{8}\)
2
\(\rm \theta=\frac{n\pi}{2}+(-1)^n \frac{\pi}{6}\)
3
\(\rm \theta=\frac{n\pi}{2}+(-1)^n \frac{\pi}{4}\)
4
\(\rm \theta=n\pi+(-1)^n \frac{\pi}{8}\)