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Determine the sine and cosine of 90 degrees
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Determine the sine and cosine of 90 degrees

User Inso
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\begin{gathered} \text{From the graph} \\ \sin e\text{ (90)=1} \\ co\sin e\text{ (90)=0} \\ The\text{ cosine and sine of 90 is }\mleft(0,1\mright) \end{gathered}

User Tadas
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