If the length of the shadow of a tower is $\sqrt{3}$ times its height, then the angle of elevation of the sun is:

If the height of a pole is $2\sqrt{3}$ meters and the length of its shadow is 2 meters. The angle of elevation of the sun is:

The angle of depression of a point situated at a distance 100 m from the base of a pole is 30 degrees. Find height of the pole is-

The angle of elevation of a cloud from a point 200 meter above a water body is 30° and the angle of depression of its reflection in the water body is 60°. The height of the cloud in meter is:

The angle formed by the line of sight with the horizontal level when the point is below the horizontal level is called

In $\triangle ABC$ with AB = 5 cm, BC = 12 cm, AC = 13 cm and $\angle B = 90^\circ$, which of the following is/are not correct?

(a) $\tan C = \frac{12}{13}$

(b) $\text{cosec} A = \frac{13}{12}$

(c) $\sin B = \frac{5}{13}$

(d) $\tan A = \frac{12}{15}$

(e) $\cos C = \frac{12}{13}$

Choose the correct answer from the options given below:

From a point exactly midway between the foot of two towers P and Q, the angle of elevation of their tops are 30° and 60°, respectively. The ratio of the heights of tower P to that of Q is: