Question

find the coordinates of the point on the unit circle at the angle of 3pie/4. give your answer in the form (x,y) and leave any fractions form.​

Answer 1

(x,y) = (-√2/2, √2/2)

Explanation:

Note that π is spelled "pi."

cos(3π/4) = -√2/2

sin(3π/4) = √2/2

(x,y) = (-√2/2, √2/2)