Trigonometry and Right Triangles

The Pythagorean Theorem, ${\displaystyle a^{2}+b^{2}=c^{2},}$ can be used to find the length of any side of a right triangle.

Trigonometric functions can be used to solve for missing side lengths in right triangles.

The mnemonic SohCahToa can be used to solve for the length of a side of a right triangle.

The inverse trigonometric functions can be used to find the acute angle measurement of a right triangle.