# Precalculus : Inverse Trigonometric Functions

## Example Questions

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### Example Question #11 : Inverse Trigonometric Functions

Approximate the following:  is closest in value to which of the following?

0.2

4

1

2

0

0

Explanation:

This problem is quite manageable with knowledge of the unit circle: the value is extremely close to zero, of which  always, so the only reasonable estimation of this value is 0.

Evaluate: