Question 12 Marks
| A | B |
| Q.1. $\sqrt{3}=$...... | (a) $60^{\circ}$ |
| Q.2. In a right triangle $ABC \angle B$ is a right angle $AC =20$ and $B =10$ then $\angle ACB =$...... | (b) 0.54 |
| (c) 1.73 |
Answer
View full question & answer→1-c,2-a
8 questions · timed · auto-graded
| A | B |
| Q.1. $\sqrt{3}=$...... | (a) $60^{\circ}$ |
| Q.2. In a right triangle $ABC \angle B$ is a right angle $AC =20$ and $B =10$ then $\angle ACB =$...... | (b) 0.54 |
| (c) 1.73 |
| A | B |
| Q.1. $\tan 45^{\circ}-\cot 45^{\circ}=\ldots \ldots .$. | (a) $0$ |
| Q.2. $\tan 30^{\circ}$ ...... and have equal values | (b) 1 |
| (c) $\cot 60^{\circ}$ |
| A | B |
| Q.1. The value of ......... is not undefined. | (a) $\tan 90^{\circ}$ |
| Q.2. ....... have equal values. | (b) $\tan 0^{\circ}$ |
| (c) $\sin 60^{\circ}$ and $\cos 30^{\circ}$ |
| A | B |
| Q.1. The value of ....... is zero. | (a) $\tan 90^{\circ}$ |
| Q.2. The value of ....... is undefined. | (b) $\cos 90^{\circ}$ |
| (c) $\cot 90^{\circ}$ |
| A | B |
| Q.1. Which of the following has value 1 ? | (a) $\tan ^2 \theta+\sec ^2 \theta$ |
| Q.2. Which has the value -1 ? | (b) $\operatorname{cosec}^2 \theta-\cot ^2 \theta$ |
| (c) $\tan ^2 \theta-\sec ^2 \theta$ |
| A | B |
| Q.1. $\tan 45^{\circ}=$ | (a) defined |
| Q.2. The value of $\tan 90^{\circ}$ is | (b) 1 |
| (c) undefined |
| A | B |
| Q.1. $\sec 60^{\circ}=$ | (a) $\frac{2}{\sqrt{3}}$ |
| Q.2. $\operatorname{cosec} 60^{\circ}=\ldots \ldots \ldots . .$. | (b) $\frac{1}{2}$ |
| (c) 2 |
| A | B |
| Q.1. $\cos 60^{\circ}=..........$ | (a) $\frac{1}{2}$ |
| Q.2. $\sin 60^{\circ}=\ldots \ldots \ldots .$. | (b) $\frac{\sqrt{3}}{2}$ |
| (c) $\frac{2}{\sqrt{3}}$ |