Tangent Values on Unit Circle

-1

1

√2/2

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√3

1

0

2

Trigonometric functions are only applicable to squares, not circles

The unit circle has no relationship with trigonometric functions

The unit circle is used to calculate algebraic functions, not trigonometric functions

The unit circle provides a visual representation of the values of trigonometric functions for different angles.

By using the coordinates of points on the circle to determine the sine, cosine, and tangent of angles.

By using the radius to calculate the area of the circle

By measuring the circumference of the circle

By counting the number of points on the circle

1

0

√2

UND

Tangent

secant

chord

😶

It only works for acute angles

It has no relevance to understanding trigonometric functions

It is only applicable to calculus

It provides a visual representation of the relationship between the angle and the trigonometric function values.

x coordinate

y divided by the x coordinate

x divided by the y coordinate

y

π/4

3π/2

5π/4

7π/3