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Rewrite as an expression that doesn't contain a fraction: (3tanX)/(1-cosX)
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High School Teacher
`tanx = sinx/cosx`
`(3tanx)/(1-cosx) = 3(sinx/cosx+sinx/cosx*cosx)/sin^2x=3(1/sinx1/cosx+1/sinx)`
`cscx=1/sinx` and `secx=1/cosx` so
Posted by beckden on July 28, 2012 at 11:46 PM (Answer #1)
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