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burhan101Best ResponseYou've already chosen the best response.0
\[\huge \frac{ sinx2sinx^3 }{ 2\cos^3xcosx } = tanx \]
 one year ago

SkaematikBest ResponseYou've already chosen the best response.2
is this proving? or simplifying?
 one year ago

burhan101Best ResponseYou've already chosen the best response.0
the left side is confusing me to the max
 one year ago

SkaematikBest ResponseYou've already chosen the best response.2
dw:1353299892857:dw
 one year ago

SkaematikBest ResponseYou've already chosen the best response.2
The first step I factored out sinx and cosx The second step I used the double angle formula for cos2x
 one year ago

burhan101Best ResponseYou've already chosen the best response.0
o.O you made it look so easy, how are you so good at these ?
 one year ago

SkaematikBest ResponseYou've already chosen the best response.2
Its all practice, I suggest you don't ask other people and actually spend at least 5 or 10 minutes trying to figure it out. You get better as you do more
 one year ago

burhan101Best ResponseYou've already chosen the best response.0
i do try them all out before asking but i ALWAYS get stuck :S
 one year ago
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