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प्रश्न
Determine the quadrant in which the following degree lie.
-140°
योग
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उत्तर
-140° = -90° + (-50°)
The angle is negative it moves in the anti-clockwise direction.
-140° lies in the III quadrants.
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अध्याय 4: Trigonometry - Exercise 4.1 [पृष्ठ ८१]
