Finding Angles with Inverse Trig
9th Grade · Math · 45 min
Lesson Preview
Learning Objective
I can evaluate inverse trigonometric functions to find angles.
- 1
Inverse trigonometric functions are used to solve for missing angles of right triangles.
- 2
The inverse of cosine is cosine inverse, the inverse of sine is sine inverse, and the inverse of tangent is tangent inverse.
- 3
When using inverse trig functions, it is important to ensure your calculator is set to degrees mode.
