Asked by Kay Again

find the exact value of:

tan 7pie/12
Answered by drwls
pi/12 is 15 degrees
7 pi/12 is 105 degrees
tan (7 pi/12) = -1/tan (pi/12)

The tangent is -2 -sqrt 3 = -3.73205...

Answered by William (Cyborg03)
drwls that's wrong :O

tan 7pie/12 = tan (3pie/12 + 4pie/12) *break it down*
= tan (pie/4 + pie/3)
*find tan pie/4 and tan pie/3 on unit circle*
= 1 + square root of 3 *answer*
thats the exact value =]

-Cyborg03
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