Mathematics: The point (-√2/2,√2/2) is the point at which the terminal ray of angle theta intersects the unit circle. what are the cosine and cotangent functions for angle theta

The point (-√2/2,√2/2) is the point at which

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soriajimmy85

13.03.2022

since that is the terminal point, then

$\bf \left( \stackrel{\stackrel{x}{cosine}}{-\cfrac{\sqrt{2}}{2}}~~,~~\stackrel{\stackrel{y}{sine}}{\cfrac{\sqrt{2}}{2}} \right)\qquad \qquad cos(\theta )=-\cfrac{\sqrt{2}}{2} \\\\\\ cot(\theta )=\cfrac{\stackrel{cosine}{-\frac{\sqrt{2}}{2}}}{\stackrel{sine}{\frac{\sqrt{2}}{2}}}\implies -\cfrac{\sqrt{2}}{2}\cdot \cfrac{2}{\sqrt{2}}\implies -1$

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The point (-√2/2,√2/2) is the point at which the terminal ray of angle theta intersects the unit circle. what are the cosine and cotangent functions for angle theta

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