What is the value of $Cot45^{0} - \left(\frac{1}{\sqrt{3}}\right)Cosec60^{0}$?
1). $\frac{1}{sqrt{3}}$
2). $\frac{1}{2}$
3). $\frac{1}{sqrt{2}}$
4). $\frac{1}{3}$
1. What will be least value of 9 cos2 θ + 4 sec2 θ?
3. If $sin5\theta$= $cos 20^{0})$ , $(0^{0}) < \theta < 90^{0})$, then the value of $\theta$ is
4. $\frac{sec\theta + tan\theta}{sec\theta - tan\theta}$ = $\frac{5}{3}$ , then $sin\theta$ is equal to
6. If $sin21^{0}$ = $\frac{x}{y}$ , then $sec21^{0} - sin69^{0}$ is equal to
9. If cos 45° - sec 60° = x, then the value of x is
10. If $sin\theta + coses\theta$ = 2, then the value of $sin^{9}\theta + cosec^{9}\theta$ is :