$\triangle ABC $ is right angled at B. If $m\angle A$ = $60^{0}$, then what is the value of $\frac{1}{\sqrt{3}} Cosec C$ ?
1). $\frac{2}{\sqrt{3}}$
2). $\frac{2}{3}$
3). $\frac{\sqrt{2}}{\sqrt{3}}$
4). $\frac{\sqrt{2}}{3}$
1. If Sin θ = 20/29, then what is the value of Cos θ?
2. If A, B, and C be the angles of a triangle, then out of the following, the incorrect relation is :
3. If (tanA- tanB)/(1 + tanAtanB) = x, then the value of x is
4. What is the value of sec $\frac{ 4π}{3}$ ?
5. √$[\frac{(1-sinA)}{(1+sinA)}]$ is equal to?
6. In what time will a train, 60 metres long, running at the rate of 36 km/hr pass a telegraph post?
7. What is the value of (1/√3 + cot600)?
10. ΔPQR is right angled at Q. If ∠P = 60°, then find the value of (cotR + √3/2).