Geometry

Find the coordinates of a point on the unit circle corresponding to a 36 degree angle rotation.

Find the coordinates of a point on the unit circle corresponding to a 115 degree angle of rotation.

Find all angles between 0 degrees and 360 degrees with a sine of 0.6.

Find all angles between 0 degrees and 360 degrees with a cosine of 0.3.

1. 👍 0
2. 👎 0
3. 👁 165
1. 1. (cos 36°, sin 36°)

2. (cos 115°, sin 115°)

3. sin Ø = .6, positive, so Ø must be in I or II
Ø = 36.87° or 143.13°

4. do it the same as 3.

1. 👍 0
2. 👎 0
posted by Reiny

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