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    cbballgirl2's Avatar
    cbballgirl2 Posts: 1, Reputation: 1
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    #1

    Feb 16, 2009, 04:04 PM
    Trig Identeties
    Hey I am so lost! I am taking precal and I need to pass these are so questions. Can you show me how please? Thanks!


    Show that 6=6sin x is equivalent to 6cos x
    ------------- ------------
    - & cos x -7(1- sin x)



    Is the statement an identity? Tan x +cot x = 1
    ------------
    sinx cos x
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #2

    Feb 16, 2009, 04:21 PM

    You're going to have to format your question better - it looks like you're trying to write a fraction, but it isn't at all clear what it is.

    For the second one, try substituting sin(x)/cos(x) for tan(x), and cos(x)/sin(x) for cot(x), and you should get it.
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