Question
Mathematics Question on Straight lines
If a line makes an angle a with the positive direction of x-axis, then the slope of the line is given by :
A
m=sinα
B
m=cosα
C
m=tanα
D
m=secα
Answer
m=tanα
Explanation
Solution
m=tanα,α=90∘
If a line makes an angle a with the positive direction of x-axis, then the slope of the line is given by :
m=sinα
m=cosα
m=tanα
m=secα
m=tanα
m=tanα,α=90∘