Question #8b752

1 Answer
Konstantinos Michailidis
May 12, 2017

It is

(cos^3(x)+cos (x)sin^2(x))/cos(x)=[cosx*(cos^2x+sin^2x)]/cosx= [cancelcosx*(cos^2x+sin^2x)]/cancelcosx=cos^2x+sin^2x=1

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