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    chitorex's Avatar
    chitorex Posts: 2, Reputation: 1
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    #1

    Sep 12, 2012, 09:21 AM
    proving identities calculator
    1 cot A
    ________________ = __________

    1 - cos A tan A cot A- cos A
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Sep 12, 2012, 11:19 AM
    Why not try to prove it yourself instead of finding a calculator? What's the point of teachers giving your homework otherwise?

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