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Mathematics 18 Online
OpenStudy (anonymous):

verify the identity cosx 1-cosx _______ = _________ 1+secx tan²x

OpenStudy (anonymous):

hi sandy...

OpenStudy (anonymous):

hi @dpaInc :)

OpenStudy (anonymous):

let's start with the left side to get to the right side...

OpenStudy (anonymous):

alright

OpenStudy (anonymous):

|dw:1337804968300:dw| all i did was multiply by the conjugate of the denominator. can you tell me what do i have in the denominator when i multiply it out?

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