ICSE BoardEnglish MediumSTD 9MATHEMATICSCo-ordinate Geometry2 Marks
Question
Find the inclination of the line whose slope is$: 0$
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Answer
If $\tan \theta $ is the slope of a line$;$ then inclination of the line is $\theta $
Here the slope of line is $0;$ then $\tan \theta = 0$
Now
$\tan \theta = 0$
$\tan \theta = \tan 0^\circ $
$\theta = 0^\circ $
Therefore the inclination of the given line is $\theta = 0^\circ $
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