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Why are cosines positive and negative?
Because the cosine of some angles is positive and the cosine of some other angles is negative.
What are negative quadrant angles?
using protactor, we use to draw angles in anticlockwise direction and that angles are called positive quadrant angles. and angles in clockwise direction, these angles are called negative quadrant angles.
Is there a positive or a negative angle?
Yes. Angles may be measured from the direction of the positive horizontal axis and, clockwise is negative, anticlockwise is positive.
What figure has the most obtuse angles?
There is no limit to the number of obtuse angles a figure can have. A regular n-gon has n obtuse angles where n is any positive integer greater than 4.
Why do counterclockwise angles has positive signs?
Conventionally, angles in the coordinate plane are measured, starting from 0 along the x-axis and increasing in the anti-clockwise direction.
