Introduction to...

In a right triangle ABC, right-angled at $B, \sin A=\frac{1}{\sqrt{2}}$. The value of tan A is ___.

$sec A = \frac{12}{5}$ for some value of angle $A$. Is this statement correct?

If $\cos ec \theta =\frac{5}{4}$, the value of ${\sin }^2\theta$ is:

Given 15 cot A = 8, find sin A and sec A.

What is the value of $se{c}^3\theta ·cot \theta$?

In a right triangle MNO, right angled at N, sin M =  What is the value of cos M?

Which of the following is always true if $sec A = \cos ec B$?

If $\frac{sec 45°}{cot 60°}=\sqrt{\frac{3x}{2}}$, then what is the value of $x$?

What is the value of $\frac{\sin 75°}{\cos 15°}+\frac{\cos ec 60°}{sec 30°}-1$?

If $cot \theta =\frac{7}{8}$, evaluate $\frac{(1 + \sin \theta )(1 – \sin \theta )}{(1+\cos \theta )(1-\cos \theta )}$.

If $m=1+{\tan }^2\theta$ and $n=1+co{t}^2\theta$, then $\frac{m}{n}$ equals:

Solve the number of solution of the equation: $\sin \left(x\right) + \cos \left(x\right) = 1$ on the interval $0° \le x < 360°$

What is the value of $\sin 45°. \cos 90°. \tan 60°. \cos 75°. cot 30°$?

If $x + y = \cos ec 45°$ and $2x = \sin 30°$, what is the value of $y$?

In a right angle triangle, ABC right angled at $B, \cos A=\frac{1}{\sqrt{5}}$. Find the value of $\sin A$.