14. The angle made by the straight line yx with the positive direction – InterviewSolution

1.	14. The angle made by the straight line yx with the positive direction of x axis is-a) -45, b) 135°, c) 45°, d)900
Answer» if A is angle made by line with positive x-axisthen tanA=dy/dxtanA=d(-x)/dxtanA=-1A=135°

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