Two buses travel to a place at 45 km/hr and 60 km/hr respectively. If the second bus takes 5½ hours less than the first for the journey, the length of the
journey is:
1). 900 km
2). 945 km
3). 990 km
4). 1350 km
3. If $Sin \theta $ = $\frac{20}{29}$, then what is the value of $Cos \theta $?
4. The value of $(1+tan^{2}\theta)(1-sin^{2}\theta)$ is?
5. Solve for the θ in the following equation: Sin 2θ = cos θ
6. If $\frac{sin\theta}{x}$ =$\frac{cos\theta}{y}$ , then $sin\theta - cos\theta$ is equal to
7. What is the simplified value of $\left(\frac{2}{cot\frac{A}{2} +tan\frac{A}{2}}\right)$
8. $\left(\frac{3\pi}{5}\right)$ radians is equal to
9. Find numerical value of $\frac{9}{cosec^{2}\theta} + 4cos^{2}\theta + \frac{5}{1+tan^{2}\theta}$