Science

Math

Humanities

... and beyond

Socratic Meta
Featured Answers

Topics

How do you evaluate $arccos (- 1)$ $arccos (-1)$ ?

1 Answer

Jun 16, 2015

Evaluate arccos (-1)

Explanation:

cos x = - 1 -> arc $x = \pm π$ $x = +- pi$

Related questions

See all questions in Basic Inverse Trigonometric Functions

Impact of this question

1968 views around the world

You can reuse this answer
Creative Commons License