A clockwise rotation
A clockwise rotation
5 marks
TGM Original
Find the exact values of all six trigonometric functions at -240. State any undefined values and identify the terminal quadrant or axis.
Solution:
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Answer:\(\sin(-240^\circ)=\dfrac{\sqrt{3}}{2}\); \(\cos(-240^\circ)=- \dfrac{1}{2}\); \(\tan(-240^\circ)=- \sqrt{3}\); \(\operatorname{cosec}(-240^\circ)=\dfrac{2 \sqrt{3}}{3}\); \(\sec(-240^\circ)=-2\); \(\cot(-240^\circ)=- \dfrac{\sqrt{3}}{3}\). Terminal quadrant II.
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