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\newcommand*\rfrac[2]{{}^{#1}\!/_{#2}}
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\begin{deloppgaver}
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\delo
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\[ -135\degree \cdot \frac{\pi}{180\degree} \approx -2.35 \]
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\delo
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\[ 1,5\pi \cdot \frac{180\degree}{\pi} = 270\deg \]
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\delo
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\[ sin\left( \frac{-\pi}{2} \right) = -1\]
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\end{deloppgaver} |