Pythagorean Trigonometric Identity (1)

Author:Tim Brzezinski

This applet shows the derivation of one of the most frequently used trigonometric identities. How, specifically, does it relate to the Pythagorean Theorem?

New Resources

Fourier Lissajous (Mechanical)
Angle Addition: Warm Up Exercises
רישום חופשי
အခြေခံ data အခေါ်အဝေါ်များ
Pathway to Proof: Triangle Angles

Discover Resources

Sine Graph Applet
משולש ישר זווית - טנגס
Definition of a Limit
Properties of the Gradient
angle

Discover Topics

Random Experiments
Circle
Exponential Functions
Matrices
Dilation