
Parviz F. answered 04/13/14
Tutor
4.8
(4)
Mathematics professor at Community Colleges
2 tan 4Θ/ ( 1 - tan 2 4 Θ ) = Tan 8θ
This is formula for Tan twice the angle
Tyler P.
asked 04/13/14Parviz F. answered 04/13/14
Mathematics professor at Community Colleges
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