SOLUTION: how do you verify the idenity of secX-sinXtanX=cosX

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Question 228303: how do you verify the idenity of secX-sinXtanX=cosX
Answer by user_dude2008(1862) About Me  (Show Source):
You can put this solution on YOUR website!
secX-sinXtanX=cosX
1/cosX-sinX(sinX/cosX)=cosX
1/cosX[1-sinX*sinX]=cosX
1/cosX[1-sin^2X]=cosX
1/cosX[cos^2X]=cosX
cosX=cosX