4.4 Övningar
Sommarmatte 1
Versionen från 30 april 2007 kl. 14.12 (redigera) Annagf (Diskussion | bidrag) (→Övning 4.4:1) ← Gå till föregående ändring |
Versionen från 30 april 2007 kl. 14.13 (redigera) (ogör) Annagf (Diskussion | bidrag) (→Övning 4.4:1) Gå till nästa ändring → |
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Rad 63: | Rad 63: | ||
<td class="ntext"></td> | <td class="ntext"></td> | ||
<td class="ntext"></td> | <td class="ntext"></td> | ||
+ | </tr> | ||
+ | <tr><td height="5px"/></tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning a </div> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga a<br />[[Bild:4_4_1a.gif]] | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning b </DIV> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga b<br />[[Bild:4_4_1b.gif]] | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning c </div> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga c<br />[[Bild:4_4_1c.gif]] | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning d </div> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga d<br />[[Bild:4_4_1d.gif]] | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning e </DIV> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga e<br />[[Bild:4_4_1e.gif]] | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning f </div> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga f<br />[[Bild:4_4_1f.gif]] | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning g </div> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga g<br />[[Bild:4_4_1g.gif]] | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | ==Övning 4.4:2== | ||
+ | <div class="ovning"> | ||
+ | Lös ekvationen | ||
+ | <table width="100%" cellspacing="10px"> | ||
+ | <tr><td height="5px"/></tr> | ||
+ | <tr align="left"> | ||
+ | <td class="ntext">\textrm{a) }</td> | ||
+ | <td class="ntext">\sin{x}=\displaystyle \frac{\sqrt{3}}{2}</td> | ||
+ | <td class="ntext">\textrm{b) }</td> | ||
+ | <td class="ntext">\cos{x}=\displaystyle \frac{1}{2} </td> | ||
+ | <td class="ntext">\textrm{c) }</td> | ||
+ | <td class="ntext">\sin{x}=0</td> | ||
+ | </tr> | ||
+ | <tr><td height="5px"/></tr> | ||
+ | <tr align="left"> | ||
+ | <td class="ntext">\textrm{d) }</td> | ||
+ | <td class="ntext">\sin{5x}=\displaystyle \frac{1}{\sqrt{2}} </td> | ||
+ | <td class="ntext">\textrm{e) }</td> | ||
+ | <td class="ntext">\sin{5x}=\displaystyle \frac{1}{2}</td> | ||
+ | <td class="ntext">\textrm{f) }</td> | ||
+ | <td class="ntext">\cos{3x}=-\displaystyle\frac{1}{\sqrt{2}}</td> | ||
+ | </tr> | ||
+ | <tr><td height="5px"/></tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Facit </div> | ||
+ | <div class=NavContent> | ||
+ | Facit till alla delfrågorna<br \> | ||
+ | <table width="100%" cellspacing="10px"> | ||
+ | <tr><td height="5px"/></tr> | ||
+ | <tr align="left"> | ||
+ | <td class="ntext">\textrm{a) }</td> | ||
+ | <td class="ntext"> | ||
+ | |||
+ | $ | ||
+ | \left\{ \matrix{ | ||
+ | x=\displaystyle\frac{\pi}{3}+2n\pi\cr | ||
+ | x=\displaystyle\frac{2\pi}{3}+2n\pi } \right. | ||
+ | $ | ||
+ | </td> | ||
+ | <td class="ntext">\textrm{b) }</td> | ||
+ | <td class="ntext">$ | ||
+ | \left\{ \matrix{ | ||
+ | x=\displaystyle\frac{\pi}{3}+2n\pi\cr | ||
+ | x=\displaystyle\frac{5\pi}{3}+2n\pi } \right. | ||
+ | $</td> | ||
+ | <td class="ntext">\textrm{c) }</td> | ||
+ | <td class="ntext">$ | ||
+ | x=n\pi | ||
+ | $</td> | ||
+ | </tr> | ||
+ | <tr><td height="5px"/></tr> | ||
+ | <tr align="left"> | ||
+ | <td class="ntext">\textrm{d) }</td> | ||
+ | <td class="ntext">$ | ||
+ | \left\{ \matrix{ | ||
+ | x=\displaystyle\frac{\pi}{20}+\displaystyle\frac{2n\pi}{5}\cr | ||
+ | x=\displaystyle\frac{3\pi}{20}+\displaystyle\frac{2n\pi}{5} } \right. | ||
+ | $</td> | ||
+ | <td class="ntext">\textrm{e) }</td> | ||
+ | <td class="ntext">$ | ||
+ | \left\{ \matrix{ | ||
+ | x=\displaystyle\frac{\pi}{30}+\displaystyle\frac{2}{5}n\pi\cr | ||
+ | x=\displaystyle\frac{\pi}{6}+\displaystyle\frac{2}{5}n\pi } \right. | ||
+ | $</td> | ||
+ | <td class="ntext">\textrm{f) }</td> | ||
+ | <td class="ntext">$ | ||
+ | \left\{ \matrix{ | ||
+ | x=\displaystyle\frac{\pi}{4}+\displaystyle\frac{2}{3}n\pi\cr | ||
+ | x=\displaystyle\frac{5\pi}{12}+\displaystyle\frac{2}{3}n\pi } \right. | ||
+ | $</td> | ||
</tr> | </tr> | ||
<tr><td height="5px"/></tr> | <tr><td height="5px"/></tr> |
Versionen från 30 april 2007 kl. 14.13
Övning 4.4:1
För vilka vinklar v, där 0 \leq v\leq 2\pi, gäller att
\textrm{a) } | \sin{v}=\displaystyle \frac{1}{2} | \textrm{b) } | \cos{v}=\displaystyle \frac{1}{2} | \textrm{c) } | \sin{v}=1 |
\textrm{d) } | \tan{v}=1 | \textrm{e) } | \cos{v}=2 | \textrm{f) } | \sin{v}=-\displaystyle \frac{1}{2} |
\textrm{g) } | \tan{v}=-\displaystyle \frac{1}{\sqrt{3}} | ||||
Facit till alla delfrågorna
\textrm{a) } | \displaystyle v=\frac{\pi}{6}, \displaystyle v=\frac{5\pi}{6} | \textrm{b) } | \displaystyle v=\frac{\pi}{3}, \displaystyle v=\frac{5\pi}{3} | \textrm{c) } | \displaystyle v=\frac{\pi}{2} |
\textrm{d) } | \displaystyle v=\frac{\pi}{4},\displaystyle v=\frac{5\pi}{4} | \textrm{e) } | \textrm{lösning saknas} | \textrm{f) } | \displaystyle v=\frac{11\pi}{6}, \displaystyle v=\frac{7\pi}{6} |
\textrm{g) } | \displaystyle v=\frac{5\pi}{6}, \displaystyle v=\frac{11\pi}{6} | ||||
Lösning till delfråga g
Bild:4 4 1g.gif
Övning 4.4:2
Lös ekvationen
\textrm{a) } | \sin{x}=\displaystyle \frac{\sqrt{3}}{2} | \textrm{b) } | \cos{x}=\displaystyle \frac{1}{2} | \textrm{c) } | \sin{x}=0 |
\textrm{d) } | \sin{5x}=\displaystyle \frac{1}{\sqrt{2}} | \textrm{e) } | \sin{5x}=\displaystyle \frac{1}{2} | \textrm{f) } | \cos{3x}=-\displaystyle\frac{1}{\sqrt{2}} |
Facit till alla delfrågorna
\textrm{a) } |
\left\{ \matrix{ x=\displaystyle\frac{\pi}{3}+2n\pi\cr x=\displaystyle\frac{2\pi}{3}+2n\pi } \right. |
\textrm{b) } | $
\left\{ \matrix{ x=\displaystyle\frac{\pi}{3}+2n\pi\cr x=\displaystyle\frac{5\pi}{3}+2n\pi } \right. $ |
\textrm{c) } | $
x=n\pi $ |
\textrm{d) } | $
\left\{ \matrix{ x=\displaystyle\frac{\pi}{20}+\displaystyle\frac{2n\pi}{5}\cr x=\displaystyle\frac{3\pi}{20}+\displaystyle\frac{2n\pi}{5} } \right. $ |
\textrm{e) } | $
\left\{ \matrix{ x=\displaystyle\frac{\pi}{30}+\displaystyle\frac{2}{5}n\pi\cr x=\displaystyle\frac{\pi}{6}+\displaystyle\frac{2}{5}n\pi } \right. $ |
\textrm{f) } | $
\left\{ \matrix{ x=\displaystyle\frac{\pi}{4}+\displaystyle\frac{2}{3}n\pi\cr x=\displaystyle\frac{5\pi}{12}+\displaystyle\frac{2}{3}n\pi } \right. $ |
Lösning till delfråga g
Bild:4 4 1g.gif