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

    Feb 16, 2007, 10:37 PM
    Ten Pre cal questions on attachment/ trouble w/ adding sin and cosine
    1. If sinx=1/2 and cosx= √3/2 , evaluate the following function.

    2. Which of the following is equivalent to the expression below?
    (sec{angle} + tan{angle})(1-sin{angle})

    3. If x=7tan{angle}, use trigonometric substitution to write √49+x*2 as a trigonometric function of {angle}, where 0< {angle} < pie/2 .

    Please look at attachment!!
    Capuchin's Avatar
    Capuchin Posts: 5,255, Reputation: 656
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    #2

    Feb 17, 2007, 02:06 AM
    I don't see an attachment.
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