What is Trigonometry?
Trigonometry studies the relationships between angles and sides of triangles, especially right triangles.
Basic Functions
- Sine (sin) = opposite ÷ hypotenuse
- Cosine (cos) = adjacent ÷ hypotenuse
- Tangent (tan) = opposite ÷ adjacent
Calculator
sin(θ):
cos(θ):
tan(θ):
Applications
- Physics and engineering
- Computer graphics
- Sound and wave analysis