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#### thorpelizts

##### New member

- Sep 7, 2012

- 6

solve for

tan^4x + tan^2x = sec ^4x - sec^2x

i solved and ended up with RIHS= tan^4x?

tan^4x + tan^2x = sec ^4x - sec^2x

i solved and ended up with RIHS= tan^4x?

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