Skip to main content

Trigonometric Functions

Calculate sin, cos, tan, and their reciprocals with exact values.
Input Values
°
Unit Circle
Re Im 0 1 1 45° sin cos
sin: 0.707 cos: 0.707
Learn the concept
Sine, Cosine, and Tangent
Understand the three primary trig functions — what they measure, how to read them from a right triangle, and how to evaluate them at key angles.
Read lesson →

User Feedback & Ratings

0 / 5
Based on 0 ratings

Rate this calculator

No feedback yet. Be the first to rate!