Solution 4.2:2a

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The opposite and adjacent are given in the right-angled triangle and this means that the value of the tangent for the angle can be determined as the quotient between the opposite and the adjacent:
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<center> [[Bild:4_2_2a.gif]] </center>
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{| width="100%"
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| width="50%" align="center"|<math>\tan v = 2/5</math>
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| width="50%" align="left"|[[Image:4_2_2_a.gif]]
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At the same time, this is a trigonometric equation for the angle ''v''.
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Note: In the chapter on "Trigonometric equations", we will investigate more closely how to solve equations of this type.

Current revision

The opposite and adjacent are given in the right-angled triangle and this means that the value of the tangent for the angle can be determined as the quotient between the opposite and the adjacent:

\displaystyle \tan v = 2/5 Image:4_2_2_a.gif

At the same time, this is a trigonometric equation for the angle v.


Note: In the chapter on "Trigonometric equations", we will investigate more closely how to solve equations of this type.

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