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4.2 Övningar

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Versionen från 29 april 2007 kl. 15.56 (redigera)
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(Övning 4.2:3)
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Versionen från 29 april 2007 kl. 15.58 (redigera) (ogör)
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(Övning 4.2:3)
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Rad 197: Rad 197:
<td class="ntext">\textrm{c) }</td> <td class="ntext">\textrm{c) }</td>
<td class="ntext">\sin{9\pi}</td> <td class="ntext">\sin{9\pi}</td>
-<td class="ntext">\textrm{d) }</td>+ 
-<td class="ntext"> \cos{\displaystyle \frac{7\pi}{2}}</td>+
</tr> </tr>
<tr><td height="5px"/></tr> <tr><td height="5px"/></tr>
<tr align="left"> <tr align="left">
 +<td class="ntext">\textrm{d) }</td>
 +<td class="ntext"> \cos{\displaystyle \frac{7\pi}{2}}</td>
<td class="ntext">\textrm{e) }</td> <td class="ntext">\textrm{e) }</td>
<td class="ntext">\sin{\displaystyle \frac{3\pi}{4}}</td> <td class="ntext">\sin{\displaystyle \frac{3\pi}{4}}</td>
<td class="ntext">\textrm{f) }</td> <td class="ntext">\textrm{f) }</td>
<td class="ntext">\cos{\left(-\displaystyle \frac{\pi}{6}\right)}</td> <td class="ntext">\cos{\left(-\displaystyle \frac{\pi}{6}\right)}</td>
-<td class="ntext">\textrm{g) }</td> 
-<td class="ntext">\cos{\displaystyle \frac{11\pi}{6}}</td> 
-<td class="ntext">\textrm{h) }</td> 
-<td class="ntext">\cos{\displaystyle \frac{11\pi}{3}}</td> 
-</tr> 
-<tr><td height="5px"/></tr> 
-<tr align="left"> 
-<td class="ntext">\textrm{i) }</td> 
-<td class="ntext">\tan{\displaystyle \frac{3\pi}{4}}</td> 
-<td class="ntext">\textrm{j) }</td> 
-<td class="ntext">\tan{\pi}</td> 
-<td class="ntext">\textrm{k) }</td> 
-<td class="ntext">\tan{\displaystyle \frac{7\pi}{6}}</td> 
-<td class="ntext">\textrm{l) }</td> 
-<td class="ntext">\tan{\left(-\displaystyle \frac{5\pi}{3}\right)}</td> 
</tr> </tr>
<tr><td height="5px"/></tr> <tr><td height="5px"/></tr>
Rad 238: Rad 224:
<td class="ntext">\textrm{c) }</td> <td class="ntext">\textrm{c) }</td>
<td class="ntext">0</td> <td class="ntext">0</td>
-<td class="ntext">\textrm{d) }</td>+ 
-<td class="ntext"> 0</td>+
</tr> </tr>
<tr><td height="5px"/></tr> <tr><td height="5px"/></tr>
<tr align="left"> <tr align="left">
 +<td class="ntext">\textrm{d) }</td>
 +<td class="ntext"> 0</td>
<td class="ntext">\textrm{e) }</td> <td class="ntext">\textrm{e) }</td>
<td class="ntext">\displaystyle \frac{1}{\sqrt{2}}</td> <td class="ntext">\displaystyle \frac{1}{\sqrt{2}}</td>
<td class="ntext">\textrm{f) }</td> <td class="ntext">\textrm{f) }</td>
<td class="ntext">\displaystyle \frac{\sqrt{3}}{2}</td> <td class="ntext">\displaystyle \frac{\sqrt{3}}{2}</td>
-<td class="ntext">\textrm{g) }</td> 
-<td class="ntext">\displaystyle \frac{\sqrt{3}}{2}</td> 
-<td class="ntext">\textrm{h) }</td> 
-<td class="ntext">\displaystyle \frac{1}{2}</td> 
-</tr> 
-<tr><td height="5px"/></tr> 
-<tr align="left"> 
-<td class="ntext">\textrm{i) }</td> 
-<td class="ntext">-1</td> 
-<td class="ntext">\textrm{j) }</td> 
-<td class="ntext">0</td> 
-<td class="ntext">\textrm{k) }</td> 
-<td class="ntext">\displaystyle \frac{1}{\sqrt{3}}</td> 
-<td class="ntext">\textrm{l) }</td> 
-<td class="ntext">\sqrt{3}</td> 
</tr> </tr>
<tr><td height="5px"/></tr> <tr><td height="5px"/></tr>
Rad 311: Rad 283:
</div> </div>
</div> </div>
- 
==Övning 4.2:4== ==Övning 4.2:4==

Versionen från 29 april 2007 kl. 15.58

Innehåll

[göm]

Övning 4.2:1

Bestäm längden av sidan som är markerad med x uttryckt med hjälp av de trigonometriska funktionerna.

a) BILD b) BILD c) BILD d) BILD e) BILD f) BILD

Övning 4.2:2

Bestäm en trigonometrisk ekvation dom vinkeln v uppfyller.

a) BILD b) BILD c) BILD d) BILD e) BILD f) BILD

Övning 4.2:3

Bestäm

\textrm{a) } \sin{\left(-\displaystyle \frac{\pi}{2}\right)} \textrm{b) } \cos{2\pi} \textrm{c) } \sin{9\pi}
\textrm{d) } \cos{\displaystyle \frac{7\pi}{2}} \textrm{e) } \sin{\displaystyle \frac{3\pi}{4}} \textrm{f) } \cos{\left(-\displaystyle \frac{\pi}{6}\right)}

Övning 4.2:4

Bestäm

\textrm{g) } \cos{\displaystyle \frac{11\pi}{6}} \textrm{h) } \cos{\displaystyle \frac{11\pi}{3}}
\textrm{i) } \tan{\displaystyle \frac{3\pi}{4}} \textrm{j) } \tan{\pi} \textrm{k) } \tan{\displaystyle \frac{7\pi}{6}} \textrm{l) } \tan{\left(-\displaystyle \frac{5\pi}{3}\right)}
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