Trigonometry

If $$ \sin A = \frac{4}{5} $$, then $$ (3 - \tan A)(2 + \cos A) $$ is: ...

Find the a$45\degree$ngle of elevation of the Sun when the length of the shadow of a tree is $$ \frac{1}{\sqrt{3}} $$ t...

Find the angle of elevation of the Sun, when the length of the shadow of a tree is $$ \frac{1}{\sqrt{3}} $$ times the h...

Which of the following is/are incorrect? (A) $$\sin 0^\circ = 0$$ (B) $$\tan 0^\circ = 0$$ (C) $$\csc 0^\circ = 0$...

The angle of elevation of the top of a building from a point P on the horizontal is $$30^\circ$$. If point P is 48 m awa...

A tower stands vertically on the ground. From a point on the ground which is 18 m away from the foot of the tower, the ...