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OpenStudy (anonymous):
verify the trig function by subbing identities to match the right hand side PLEASE HELP PLEASE -tan^2x+sec^2x=1
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OpenStudy (luigi0210):
Come on brah, these are basic trig identities if I'm not mistaken?
OpenStudy (luigi0210):
\[\sec^2x-\tan^2x=1\]
OpenStudy (luigi0210):
You can also move that -tan to the front to get: \[-\tan^2x+\sec^2x=1\]
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