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Mathematics 14 Online
OpenStudy (anonymous):

verify the identity... secx-cosx+(tanx/cscx)= 2sinxtanx

OpenStudy (anonymous):

To start you off, what is equivalent to tanx and cscx?

OpenStudy (anonymous):

sinx/cosx and 1/sinx

OpenStudy (anonymous):

right. Now what is secx equivalent to?

OpenStudy (anonymous):

(sinx/cosx) divided by (1/sinx) is (sinx)^2 / cosx

OpenStudy (anonymous):

Once you know what secx is equivalent to, find the common denominator between everything and you will get your answer.

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