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svet-max [94.6K]
3 years ago
9

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

Mathematics
2 answers:
mihalych1998 [28]3 years ago
7 0
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}
Thepotemich [5.8K]3 years ago
5 0
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
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