MCQ
If $\operatorname{cosec} \theta=\frac{2}{\sqrt{3}}$, then $\theta=$ _____
- A$0$
- B45
- C30
- ✓60
✓
Answer
Correct option: D.
60
60
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
One card is drawn at random from a well$-$shuffled deck of $52$ cards. What is the probability of getting a black face card?
→If $\text{2x}=\sec\text{A}$ and $\frac{2}{\text{x}}=\tan\text{A}$ then $2\Big(\text{x}^2-\frac{1}{\text{x}^2}\Big)=?$
→Mark the correct alternative in the following:
The next term of the $A.P. \sqrt{7},\sqrt{28},\sqrt{63},\ .....$
→The next term of the $A.P. \sqrt{7},\sqrt{28},\sqrt{63},\ .....$
The length of an arc of the sector of angle $\theta^\circ$ of a circle with radius $R$ is:
→In the given figure, $O$ is the centre of two concentric circles of radii $5\ cm$ and $3\ cm$.
From an external point $P$ tangents $PA$ and $PB$ are drawn to these circles. If $PA = 12\ cm$ then $PB$ is equal to:
→From an external point $P$ tangents $PA$ and $PB$ are drawn to these circles. If $PA = 12\ cm$ then $PB$ is equal to:
The value of $k$ for which the system of equations has a unique solution, is: $kx - y = 2 , 6x - 2y = 3$
→In the figure, $PQ$ and $PR$ are two tangents to a circle with centre $O.$ If $\angle\text{QPR}=46^\circ$ then $\angle\text{QOR}$ equals:
→How many terms of the $AP\ 3, 7, 11, 15, ....$ will make the sum $406?$
→Some questions and their alternative answers are given. Select the correct alternative.
Altitude on the hypotenuse of a right angled triangle divides it in two parts of lengths 4 cm and 9 cm. Find the length of the altitude.
A. 9 cm
B. 4 cm
C. 6 cm
D. $2\sqrt 6$ cm
→Altitude on the hypotenuse of a right angled triangle divides it in two parts of lengths 4 cm and 9 cm. Find the length of the altitude.
A. 9 cm
B. 4 cm
C. 6 cm
D. $2\sqrt 6$ cm
The probability of getting $2$ heads, when two coins are tossed, is:
→