SOLUTION: evaluate tan 13pi/12

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Question 984483: evaluate tan 13pi/12
Answer by srinivas.g(540)   (Show Source): You can put this solution on YOUR website!
pi = 180 degrees

= degrees
hence tan (13pi/12)= tan(195)
tan(195)= tan (180+15)
= tan(15)
tan(15) = tan(60-45)
=
=
Multiply numerator and denominator by to get:

=
=
=
Result :

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