SOLUTION: if sec (theta) + tan (theta)=4,then cos (theta)=?

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Question 920359: if sec (theta) + tan (theta)=4,then cos (theta)=?
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
if sec (theta) + tan (theta)=4,then cos (theta)=?
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secx+tanx=4
1%2Fcosx%2Bsinx%2Fcosx=4
%281%2Bsinx%29%2Fcosx=4
cosx=%281%2Bsinx%29%2F4