Sec^4xtan^2x=(tan^2x+tan^4x)sec^2x

shortie0612 Posts: 1, Reputation: 1

New Member

Feb 15, 2010, 08:30 PM

sec^4xtan^2x=(tan^2x+tan^4x)sec^2x

I need to solve this trig proof

galactus Posts: 2,271, Reputation: 282

Ultra Member

Feb 16, 2010, 07:16 AM

You can prove one is equal to the other by setting all terms to sec.
Use $tan^{2}(x)=sec^{2}(x)-1$

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