MCQ
The principal solutions of $\cot x=\sqrt{3}$ are
- A$\frac{\pi}{4}, \frac{5 \pi}{4}$
- B$\frac{\pi}{6}, \frac{5 \pi}{6}$
- C$\frac{\pi}{3}, \frac{7 \pi}{3}$
- ✓$\frac{\pi}{6}, \frac{7 \pi}{6}$
✓
Answer
Correct option: D.
$\frac{\pi}{6}, \frac{7 \pi}{6}$
D
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
For the reaction,
$
A _{( s )}+2 B _{( g )} \longrightarrow 5 C _{( s )}+ D _{( l )}
$
, $\Delta H$ and $\Delta U$ are related as __________.
→$
A _{( s )}+2 B _{( g )} \longrightarrow 5 C _{( s )}+ D _{( l )}
$
, $\Delta H$ and $\Delta U$ are related as __________.
A blackbody radiates heat at temperatures $T_1$ and $T_2$ $\left(T_2>T_1\right)$. The frequency corresponding to maximum energy is ____________.
→In a balanced metre bridge, $5 \Omega$ is connected in the left gap and $R \Omega$ in the right gap. When $R \Omega$ is shunted with equal resistance, the new balance point is at $1.6 I_1$ where ' $I_1$ ' is the earlier balancing length. The value of ' $I_1$ ' is______
→The p.m.f. of a random variable X is
P(x) = $\frac{5-x}{10}$, x = 1, 2, 3, 4
= 0, otherwise
The value of E(X) is ______.
→P(x) = $\frac{5-x}{10}$, x = 1, 2, 3, 4
= 0, otherwise
The value of E(X) is ______.
Metal rings P and Q are lying in the same plane, where current I is increasing steadily. The induced current in metal rings is shown correctly in figure.
Angular displacement (θ) of a flywheel varies with time as $\theta=a t+b t^2+c t^3$ then angular acceleration is given by ____________.
→In case of a liquid which does not wet a solid surface, the force of adhesion ______
Two satellites A and B go round a planet P in circular orbits having radii 4R and R respectively. If the speed of the satellite A is 3v, the speed of satellite B is ____________.
A small cylindrical soft iron piece is kept in a galvanometer so that
When 6.0 g of $O _2$ reacts with CIF as per $\ce{2ClF_{(g)} + O2_{(g)} -> Cl2O_{(g)} + OF2_{(g)}}$ the enthalpy change is 38.55 kJ. The standard enthalpy of the reaction is ____________.
→