# Quick Trig question help!Watch

#1
The equation is: (sec^2x -5)(1-cos2x) = tan^2xsin2x
I've been trying to convert (1-cos2x) into a factor of tan^2xsin2x so that I can divide everything through and simplify it but I'm not sure how to do this.
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1 week ago
#2
(Original post by 67chevvyimpala)
The equation is: (sec^2x -5)(1-cos2x) = tan^2xsin2x
I've been trying to convert (1-cos2x) into a factor of tan^2xsin2x so that I can divide everything through and simplify it but I'm not sure how to do this.
Are you trying to prove LHS = RHS or solve for x?
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