Unit Circle Calculator

unit circle diagram
Angle
x = cos(°) =
y = sin(°) =
tan(°) =

Unit Circle Calculator

A Unit Circle is a circle having radius of 1 unit. Mostly origin at point(0, 0). As shown in fig.

unit circle

Trigonometric Formulae :

trigonometric formulae

Now,

Let's consider, opposite side be 'y' and Adjacent be 'x'.

unit circle

sin(α) = opposite/hypotenuse = y/1 = y

cos(α) = adjacent/hypotenuse = x/1 = x

Therefore,

x = cos(α) & y = sin(α)