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Find the Inclination of the Line Whose Slope Is: 1 - Mathematics

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Question

Find the inclination of the line whose slope is: 1

Sum

Solution

If tan θ is the slope of a line; then the inclination of the line is tan θ
Here the slope of the line is 1; then tan θ = 1
Now
tan θ = 1
tan θ = tan 45°
θ = 45°

Therefore the inclination of the given line is θ = 45°.

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Inclination and Slope
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Chapter 26: Co-ordinate Geometry - Exercise 26 (C) [Page 323]

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Selina Concise Mathematics [English] Class 9 ICSE
Chapter 26 Co-ordinate Geometry
Exercise 26 (C) | Q 4.2 | Page 323
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