Part 1- 90° increments The unit circle is a circle with a radius of 1, generated by the most used angles, in trigonometry, of a circle. One revolution of a circle is 360°, or 2n radians. We will begin our task by creating a circle with a point at every 90°, or , increments. Below is a blank circle with a radius of 1 unit. We start at the point (1,0) with 0 2' and place a point every of a revolution around the circle. See the annotations below, beginning at (1,0)... 1 This point is of a 4 The point of a revolution about the revolution about the circle. The angle is circle relates to an ', or radians. angle of 180°, or radians. This is the point (1,0). Here the angle of rotation is only 0°, or 0 radians. radius = 1 unit 3 of a revolution about the circle relates to an angle of or One full revolution is, or radians. radians.
Part 1- 90° increments The unit circle is a circle with a radius of 1, generated by the most used angles, in trigonometry, of a circle. One revolution of a circle is 360°, or 2n radians. We will begin our task by creating a circle with a point at every 90°, or , increments. Below is a blank circle with a radius of 1 unit. We start at the point (1,0) with 0 2' and place a point every of a revolution around the circle. See the annotations below, beginning at (1,0)... 1 This point is of a 4 The point of a revolution about the revolution about the circle. The angle is circle relates to an ', or radians. angle of 180°, or radians. This is the point (1,0). Here the angle of rotation is only 0°, or 0 radians. radius = 1 unit 3 of a revolution about the circle relates to an angle of or One full revolution is, or radians. radians.
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE:
1. Give the measures of the complement and the supplement of an angle measuring 35°.
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Transcribed Image Text:Part 1- 90° increments
The unit circle is a circle with a radius of 1, generated by the most used angles, in trigonometry, of a circle.
One revolution of a circle is 360°, or 2n radians. We will begin our task by creating a circle with a point at
every 90°, or , increments. Below is a blank circle with a radius of 1 unit. We start at the point (1,0) with 0
2'
and place a point every of a revolution around the circle. See the annotations below, beginning at (1,0)...
1
This point is of a
4
The point of a
revolution about the
revolution about the
circle. The angle is
circle relates to an
', or radians.
angle of 180°, or
radians.
This is the point (1,0).
Here the angle of rotation
is only 0°, or 0 radians.
radius = 1 unit
3
of a revolution
about the circle
relates to an angle
of or
One full revolution is, or
radians.
radians.
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