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Let us consider the situation when axes are inclined at an angle ' '. If coordinates of a point  are , then , where  is parallel to -axis and  is parallel -axis. straight line through  that makes an angle  with -axis is

 

From , we have

Written in the form of  where

Therefore, if slope of the line is , then angle of inclination of the line with -axis is given by

 

The axes being inclined at an angle of , the inclination of the straight line  with -axis is

 

a)

b)

c)

d)



Question ID - 55428 | SaraNextGen Top Answer

Let us consider the situation when axes are inclined at an angle ' '. If coordinates of a point  are , then , where  is parallel to -axis and  is parallel -axis. straight line through  that makes an angle  with -axis is

 

From , we have

Written in the form of  where

Therefore, if slope of the line is , then angle of inclination of the line with -axis is given by

 

The axes being inclined at an angle of , the inclination of the straight line  with -axis is

 

a)

b)

c)

d)

1 Answer
127 votes
Answer Key / Explanation : (b) -

(b)

127 votes


127