Solution 4.2:2d

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m (Lösning 4.2:2d moved to Solution 4.2:2d: Robot: moved page)
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By writing an expression for sine as a function of the angle ''v'', (opposite divided by hypotenuse), we get a trigonometric equation in which ''v'' is the only unknown,
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<center> [[Image:4_2_2d.gif]] </center>
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|width="50%" align="center"|<math>\text{sin }v={3}/{5}\,\textrm{.}</math>
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|width="50%" align="center"|[[Image:4_2_2_d.gif]]
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Current revision

By writing an expression for sine as a function of the angle v, (opposite divided by hypotenuse), we get a trigonometric equation in which v is the only unknown,

\displaystyle \text{sin }v={3}/{5}\,\textrm{.} Image:4_2_2_d.gif
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