Interactive Trigonometry Unit Circle

Explore the unit circle, trigonometric functions, and their relationships through interactive visualization. Drag the point on the circle to see how sine, cosine, and tangent values change in real-time.

Unit Circle

Angle (θ): 0° (0 rad)
sin(θ): 0
cos(θ): 1
tan(θ): 0
0°
30°
45°
60°
90°
120°
135°
150°
180°
270°

Triangle View (SOH-CAH-TOA)

Opposite: 0
Adjacent: 1
Hypotenuse: 1

Trigonometric Functions

Practice Problems

Find the exact value of sin(30°).

Step 1: Identify the angle on the unit circle.

Step 2: Find the y-coordinate of the point on the unit circle.

Step 3: For 30°, the coordinates are (√3/2, 1/2).

Step 4: Therefore, sin(30°) = 1/2.

Equation Input

sin
cos
tan
θ
π
(
)
/
√
^
0
1
2
3
4
5
6
7
8
9
+
-
×
.
=
C

Student Interaction Log

t=0s 📱 Application started Angle: 0°, Unit: Degrees