Thursday

January 19, 2017
Posted by **Jacob** on Tuesday, November 15, 2011 at 10:38pm.

- Pre Calc -
**Reiny**, Tuesday, November 15, 2011 at 10:57pmobviously 7.4

- Pre Calc -
**Cornelius**, Tuesday, January 10, 2017 at 9:29amBy definition tan(tan−1(7.4))=7.4

More explicitly:

Let α=tan−1(7.4)

Then by definition α is the unique angle such that tanα=7.4 and −π2<α<π2.