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in a questiona if its given that normal to a line makes an angle of 30 deg wid +y axis, does it mean dat d line cud b in 1st or 2 nd quadrants both...wud we mark both d answers?

in a questiona if its given that normal to a line makes an angle of 30 deg wid +y axis, does it mean dat d line cud b in 1st or 2 nd quadrants both...wud we mark both d answers?

Grade:12

3 Answers

Ankit Kumar
16 Points
10 years ago

Yes, we should mark both the answers.

SAGAR SINGH - IIT DELHI
879 Points
10 years ago

Dear ritika,

Generally both the answers would be in one option only separated by comma or either of the two answers will be given as option so you tick that only...

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Sagar Singh

B.Tech IIT Delhi

Chanchal Kumar
31 Points
10 years ago

If it is mentioned in the question whether the normal makes 30 deg with +y-amis in clockwise or anti-clockwise. Then u should opt for one option among them. If it is not mentioned then both can be correct.

1) if the normal makes 30 deg with + y-axis in clockwise or in the positive direction of  x-axis, then line will be in 1st quadrant.

2) if the normal makes 30 deg with + y-axis in anti-cloclwise or in the  negative  direction of  x-axis, then line will be in 2nd quadrant.

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