Answer 5.1:2

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{| width="100%" cellspacing="10px"
|a)
|a)
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|width="50%" | <math>\cos{v} = \cos{\displaystyle \frac{3\pi}{2}}</math>
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|width="100%" | <nowiki><math></nowiki>3\times 4\pm 4<nowiki></math></nowiki>
 +
|-
|b)
|b)
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|width="50%" | &lt;math&gt;\tan\displaystyle\frac{u}{2}=\frac{\sin u}{1+\cos u}&lt;/math&gt;
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|width="100%" | <nowiki><math></nowiki>4x^2-\sqrt{x}<nowiki></math></nowiki>
|-
|-
|c)
|c)
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|| <br/>&lt;math&gt;\left\{\eqalign{ <br/>
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|width="100%" | <nowiki><math></nowiki>4\times 3^n\ge n^3<nowiki></math></nowiki>
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x&=n\pi\cr <br/>
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|-
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x&=\displaystyle \frac{\pi}{4}+\displaystyle \frac{n\pi}{2} <br/>
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-
}\right.&lt;/math&gt;
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|d)
|d)
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|| &lt;math&gt; \bigl(\sqrt[\scriptstyle4]3\,\bigr)^3\ \sqrt{2 + \sqrt{4}}&lt;/math&gt;
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|width="100%" | <nowiki><math></nowiki>3-(5-2)=-(-3+5-2)<nowiki></math></nowiki>
|}
|}

Revision as of 14:18, 28 January 2009

a) <math>3\times 4\pm 4</math>
b) <math>4x^2-\sqrt{x}</math>
c) <math>4\times 3^n\ge n^3</math>
d) <math>3-(5-2)=-(-3+5-2)</math>
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