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Mathematics 13 Online
OpenStudy (anonymous):

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

OpenStudy (anonymous):

i know the identity 1+tan^2x=sec^2x

OpenStudy (anonymous):

i need to know how to equal one side to the other

OpenStudy (anonymous):

use algebra geometry or try simple angles

OpenStudy (anonymous):

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