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    albear's Avatar
    albear Posts: 1,594, Reputation: 222
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    #1

    Jun 16, 2007, 10:17 AM
    trig integral qn
    I don't understandhow (1/(1-sinx^2)^3/2 )cosx dx

    goes to (1/cosx^2 ) dx
    albear's Avatar
    albear Posts: 1,594, Reputation: 222
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    #2

    Jun 16, 2007, 10:35 AM
    Hello
    galactus's Avatar
    galactus Posts: 2,271, Reputation: 282
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    #3

    Jun 16, 2007, 11:14 AM
    Because

    That gives you:
    albear's Avatar
    albear Posts: 1,594, Reputation: 222
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    #4

    Jun 16, 2007, 12:04 PM
    Thank you
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