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Mathematics 23 Online
OpenStudy (immings):

Cosx +SinxTanx = 1/Cosx CosX +Sinx(Sinx / Cosx) = 1 / CosX What can I do next? Cosx + Sin^2 x / Cosx = 1/Cosx??

OpenStudy (anonymous):

by taking lcm (cosx*cosx+sin^2x)/cosx=1/cosx cos^2x+sin^2x=cosx/cosx 1=1

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