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Thread: without using L'Hospital's Rule

  1. December 31st 2010, 01:45 AM #1
    Miss
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    without using L'Hospital's Rule

    evaluate

    \displaystyle \lim_{x\to \frac{-\pi}{4}} \dfrac{1+sin(2x)}{sin(x)+cos(x)}
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  2. December 31st 2010, 01:48 AM #2
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    (1+sin(2x))=(sin(x)+cos(x))^2
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