Asked by Jessica
Find the cartesian coordinates of the following points given in polar coordinates.
b. (2 rt2, 3pi/4)
I cant figure this one out
b. (2 rt2, 3pi/4)
I cant figure this one out
Answers
Answered by
drwls
I don't know what they call the radius 2 rt2.
Whatever the polar-coordinate radius is, multiply it by cos 3pi/4 to get x and sin 3pi/4 to get y.
cos 3pi/4 = cos 135 degrees = -1/(sqrt 2)
sin 3pi/4 = sin 135 degrees = 1/(sqrt 2)
Whatever the polar-coordinate radius is, multiply it by cos 3pi/4 to get x and sin 3pi/4 to get y.
cos 3pi/4 = cos 135 degrees = -1/(sqrt 2)
sin 3pi/4 = sin 135 degrees = 1/(sqrt 2)
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