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AveGali [126]
3 years ago
14

If the terminal side of an angle (θ) goes through the point (4 , -3) what is (θ)?

Mathematics
1 answer:
almond37 [142]3 years ago
3 0

Answer:

The family of directions of the given vector is represented by \theta = 323.130^{\circ} \pm 360\cdot i, \forall \,i\in \mathbb{N}_{O}.

Step-by-step explanation:

According to the given information, vector stands in the 4th Quadrant (x > 0, y < 0) and direction of the vector (\theta) in sexagesimal degrees, is determined by following definition:

\theta = 360^{\circ} - \tan^{-1} \left(\frac{|y|}{|x|} \right)\pm 360\cdot i, \forall \,i\in \mathbb{N}_{O}

Please notice that angle represents a function with a periodicity of 360°.

If we know that x = 4 and y = -3, then the direction of the vector is:

\theta = 360^{\circ}-\tan^{-1}\left(\frac{|-3|}{|4|} \right)\pm 360\cdot i

\theta = 323.130^{\circ} \pm 360\cdot i

The family of directions of the given vector is represented by \theta = 323.130^{\circ} \pm 360\cdot i, \forall \,i\in \mathbb{N}_{O}.

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