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    alawson91's Avatar
    alawson91 Posts: 1, Reputation: 1
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    #1

    Mar 3, 2011, 04:59 PM
    verify trigonometric identities solver?
    (sinx)/(sinx+1)=(cscx-1)/(cot^(2)x)
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #2

    Mar 4, 2011, 06:53 AM

    Yes - I can verify for you that it is correct. Was that your question?
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    tahamian123 Posts: 4, Reputation: 1
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    #3

    Apr 23, 2012, 05:55 PM
    [1-cos(2x)+sin(2x)]/[1+cos(2x)+sin(2x)]=tan(x) can some one show me the steps
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    tahamian123 Posts: 4, Reputation: 1
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    #4

    Apr 23, 2012, 05:55 PM
    [1-cos(2x)+sin(2x)]/[1+cos(2x)+sin(2x)]=tan(x) in proving this this
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    ebaines Posts: 12,131, Reputation: 1307
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    #5

    Apr 24, 2012, 06:03 AM
    Quote Originally Posted by tahamian123 View Post
    [1-cos(2x)+sin(2x)]/[1+cos(2x)+sin(2x)]=tan(x) can some one show me the steps
    Replace the sin(2x) with its identity 2sinxcosx, and the cos(2x) with its identity 1-2sin^2x, and then simplify.
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