Search Results

5 results for “pythagorean”

Formulae (5)

a^2 + b^2 = c^2

Relates the sides of a right triangle.

\sin^2\theta + \cos^2\theta = 1

The fundamental trigonometric identity.

\sin^2\theta + \cos^2\theta = 1

The fundamental trig identity from the unit circle.

1 + \tan^2\theta = \sec^2\theta

Derived Pythagorean identity dividing by cos².

1 + \cot^2\theta = \csc^2\theta

Derived Pythagorean identity dividing by sin².