The slope of a line is defined as:
A$\cos \theta$ where $\theta$ is inclination
B$\tan \theta$ where $\theta$ is inclination
C$\sin \theta$ where $\theta$ is inclination
D$\theta$ itself
Answer & Solution
Correct answer: B. $\tan \theta$ where $\theta$ is inclination
Slope $m = \tan \theta$, where $\theta$ is the inclination (angle with positive x-axis, measured anti-clockwise).
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