(3/5,4/5) is a point on the unit circle, how do i find the angle it forms in terms of decimal number or pie?
2007-10-11 21:52:40 · 5 answers · asked by Shukie L 2 in Science & Mathematics ➔ Mathematics
The angle it forms would be given by:
arctangent((4/5) / (3/5))
= arctangent(4/3)
2007-10-11 21:59:59 · answer #1 · answered by Quocamus 2 · 0⤊ 1⤋
The past answer is right, yet to lend a splash greater perception.... The radius of the unit circle is one million. With an x-coordinate of -3/5, you ought to grasp that the radius is the hypotenuse, and the x-coordinate the adjoining side, of a three/4/5 precise triangle. y=4/5 then turns into the close to-obtrusive answer.
2016-12-14 15:21:28 · answer #2 · answered by Anonymous · 0⤊ 0⤋
If you have a point (x, y) on the unit circle, the angle it forms with the positive side of the x-axis is given by Φ = arctan(y/x).
This is one of the reasons you were supposed to actually -learn- trigonometry ☺
Doug
2007-10-11 22:07:26 · answer #3 · answered by doug_donaghue 7 · 0⤊ 1⤋
You have a right triangle whose cathetes are 3 and 4 and whose hypothenuse is 5
Just find tan^-1 (4/3), using a calculator that is in radians.
Ilusion
2007-10-12 05:06:39 · answer #4 · answered by Ilusion 4 · 0⤊ 0⤋
with respect to x-axis
tan A = 4/3
A = 53.13 deg = 53.13(π / 180) = 0.927 rad
2007-10-11 23:09:53 · answer #5 · answered by CPUcate 6 · 0⤊ 0⤋