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    iSet31155 Posts: 1, Reputation: 1
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    #1

    Apr 29, 2012, 04:53 PM
    verifying identities precalculus
    Verify the identity: sec^(2)u - cot^2(pie/2 - u)
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    ebaines Posts: 12,131, Reputation: 1307
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    #2

    Apr 30, 2012, 06:25 AM
    Convert the secant and cotangent functions to their sine and cosine equivalenst. Then apply the fact that:
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