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how we will find that theeta …

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how we will find that theeta lies in which quadrant?
  • 1 answers

Chandrashekhar Wankhede 7 years, 10 months ago

Imagine a revolving line in XY plane from origin. The Angle between this line and POSITIVE X AXIS and is measured as POSITIVE when this line is revolved in ANTICLOCKWISE DIRECTION keeping its one end fixed at origin. When revolving line is along POSITIVE X AXIS, angle is zero degree. If line is revolved through 45 degree in anticlockwise direction with respect to positive x axis, line will be in first quadrant, hence angle will be in first quadrant. If line is revolved through 150 degree in anticlockwise direction, angle is in second quadrant. For negative angles line has to be revolved in CLOCKWISE direction. Negative angles are also measured with respect to POSITIVE X AXIS.

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