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Simple Trig. Question (1 Viewer)

Crosswinds

Crosswinds

Member
Joined
Jun 28, 2008
Messages
56
Location
Central Coast
Gender
Female
HSC
2010
Okie so when I simplify (tan2x)/(1-tan22x) I get (1/2)tan4x. The answers tell me I should get (1/4)tan4x. Am i doing something wrong?

Please and thankyou! :)
 
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