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    hamda51's Avatar
    hamda51 Posts: 1, Reputation: 1
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    #1

    Nov 10, 2013, 12:45 PM
    Tanx/secx-1=secx+1/tanx
    My question is to make the right side equal the left side
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #2

    Nov 11, 2013, 06:38 AM
    What you wrote is incorrect. You wrote this:



    You must learn to use parentheses to avoid mistakes like that. I suspect what you really meant is this:

    tanx/(secx -1) = (secx + 1)/tanx

    Hint: start by cross-multiplying the fractions on the left and right hand sides, then replace the secx and tanx functions with their sine and cosine equivalents.
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