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posted by ariza on Saturday, November 7, 2009 at 10:15pm.
Prove that cscx / cosx = tanx + cotx
LS = cscx/cosx = (1/sinx)/cosx = 1/(sinxcosx) RS = sinx/cosx + cosx/sinx = (cos^2x + sin^2x)/(sinxcosx) = 1/(sinxcosx) = LS
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