Join IDNLearn.com today and start getting the answers you've been searching for. Discover reliable and timely information on any topic from our network of knowledgeable professionals.

what is the exact value of tan  -13pi/6 and also the explanation

Sagot :

Unit circle! XD
Pi/6 is in the 30 degree family. What I do is multiply it by 180/pi to get it into degrees. Once you do this, the answer is -390
[tex]tan\left(-\frac{13\pi}{6}\right)=-tan\left(2\frac{1}{6}\pi\right)=-tan\left(2\pi+\frac{1}{6}\piright)=-tan\frac{1}{6}\pi=-\frac{\sqrt3}{3}[/tex]