Asked by Alexa
Please help with math question below:
Express the triple angle formula of tangent (i.e. tan〖(3x)〗) in terms of tanx.
Express the triple angle formula of tangent (i.e. tan〖(3x)〗) in terms of tanx.
Answers
Answered by
Reiny
easy to look up, here is one such page
http://www.trans4mind.com/personal_development/mathematics/trigonometry/multipleAnglesTangent.htm
If you have to actually develop it,
use
tan(A+B) = (tanA + tanB)/(1 - tanAtanB)
on tan(3x) = tan(2x+1)
after doing tan2x first.
http://www.trans4mind.com/personal_development/mathematics/trigonometry/multipleAnglesTangent.htm
If you have to actually develop it,
use
tan(A+B) = (tanA + tanB)/(1 - tanAtanB)
on tan(3x) = tan(2x+1)
after doing tan2x first.