Answers

2014-09-24T19:03:57+08:00
Secx - cos x = tanxsinx
1/cosx - cos x = tanxsinx
1 - cos^2x = tanxsinx
cosx
sin^2xtanxsinx
cosx        
sinxsinx  = tanxsinx 
cosx
tanxsin = tanxsinx
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