Question #29ff4

1 Answer
Jun 28, 2017

To find angles and side lengths in triangles.

Explanation:

The three functions can be used to find side lengths or angles in a given triangle, in a right angle triangle for example, the ratio of the length of the opposite side to the length of the hypotenuse is equal to the sin of the angle.

SOH CAH TOA

sin(theta) = opposite/hypotenuse
cos(theta) = adjacent/hypotenuse
tan(theta) = sin(theta)/cos(theta) = opposite/adjacent