Ask Me Help Desk - Trigonometric Equation

I guess you mean the basic ones. Ok, here we go!

Eg.

1.
$sin(x) = \frac{1}{2}$
$x = sin^{-1}(\frac{1}{2}) = 30$

2.
$cos(x) = \frac{1}{2}$
$x = cos^{-1}(\frac{1}{2}) = 60$

3.
$tan(x) = \frac{1}{2}$
$x = tan^{-1}(\frac{1}{2}) = 26.56505118... = 26.6$

Hope it helped. However, you'll find that there may be several solutions to a single equation, because the shape of the curve. You can see it if you sketch it. Anyway, these are the results you'll have if you typed the problem in a calculator.