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skybunnygirl
Group Title
simplify by using a double angle or a half angle formula
1cos 6x
___________
sin 6x
 one year ago
 one year ago
skybunnygirl Group Title
simplify by using a double angle or a half angle formula 1cos 6x ___________ sin 6x
 one year ago
 one year ago

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DDCamp Group TitleBest ResponseYou've already chosen the best response.0
cos(6x) = 1  2sin²(3x), so the numerator can be simplified to 2sin²(3x) sin(6x) = 2sin(3u)cos(3u) So we have: \[\frac{ 2\sin^2(3x) }{ 2\sin(3x)\cos(3x) } = \frac{ \sin(3x) }{ \cos(3x) } = \tan(3x)\]
 one year ago

jishan Group TitleBest ResponseYou've already chosen the best response.0
yeah tan3x ans
 one year ago

skybunnygirl Group TitleBest ResponseYou've already chosen the best response.0
thx both
 one year ago
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