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For 7-8, use the information given todetermine the missing values.

For 7-8, use the information given todetermine the missing values.-example-1
User Ayca
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1 Answer

6 votes

Given:


tan\theta=-0.424

Hence:


\theta=arctan(-0.424)=-(383π)/(3000)

The angle must be in the fourth quadrant; so:


\theta=2π-(383π)/(3000)=1.872π

Then:

ANSWER


\begin{gathered} sin1.872π=-0.39 \\ cos1.872π=0.92 \end{gathered}

User Akuukis
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