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18 votes
18 votes
Angle Theta has a terminal side located in quadrant 4 of the coordinate plane and sign of data equals negative 8 / 17 what is cosine of theta

Angle Theta has a terminal side located in quadrant 4 of the coordinate plane and-example-1
User Leung
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1 Answer

8 votes
8 votes

\begin{gathered} \sin (\theta)=(-8)/(17) \\ \theta=\sin ^(-1)(-8)/(17) \\ \theta=-28 \\ As\text{ negative angle} \\ \theta=360+(-28) \\ \theta=332 \\ \cos (332)=(15)/(17) \\ \text{The }\cos (332)is(15)/(17) \end{gathered}

User Marek Skiba
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2.7k points
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