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ZarkonBest ResponseYou've already chosen the best response.4
got a lot of equal signs there ;)
 2 years ago

ZarkonBest ResponseYou've already chosen the best response.4
for \[1+\sin(2x)=(\sin(x)+\cos(x))^2\] use \[\sin(2x)=2\sin(x)\cos(x)\] and \[\sin^2(x)+\cos^2(x)=1\]
 2 years ago

Will!Best ResponseYou've already chosen the best response.1
\[(\sin x + \cos x)^2 = \sin^2 x + 2(\sin x \cos x) + \cos^2 x\]
 2 years ago

Hannah_AhnBest ResponseYou've already chosen the best response.0
zarkon: haha thanks for noticing that ;) and....? is that it?
 2 years ago

Will!Best ResponseYou've already chosen the best response.1
Nah you still have to work it out, just fit the pieces together lol
 2 years ago

ZarkonBest ResponseYou've already chosen the best response.4
combine the work Will! and I did.
 2 years ago

ZarkonBest ResponseYou've already chosen the best response.4
\[(\sin x + \cos x)^2 = \sin^2 x + 2(\sin x \cos x) + \cos^2 x\] \[= \sin^2 x + \cos^2 x +2\sin x \cos x=\cdots\]
 2 years ago

ZarkonBest ResponseYou've already chosen the best response.4
now use what I told you to use. :)
 2 years ago

Hannah_AhnBest ResponseYou've already chosen the best response.0
aha! solved! :) gracias :)
 2 years ago
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