If $Sec\theta$ = $\frac{13}{12}$, then $Cot\theta $= ?
1). $\frac{12}{5}$
2). $\frac{13}{5}$
3). $\frac{5}{13}$
4). $\frac{5}{12}$
1. What is the value of tan 300°?
4. Determine the spherical excess of the spherical triangle ABC given a = 56°, b = 65°, and c = 78°.
5. What is the value of sec 7π/4?
8. If $sec(7\theta + 28^{0})$ = $coeec(30^{0} - 3\theta)$ then the value of $\theta$ is
9. Δ PQR is right angled at Q. If ∠R = 30°, then what is the value of Cot P?