Pythagorean Identity
sin squared plus cos squared
Definition
Fundamental trigonometric identity valid for all real x.
Related Formulas
Cos 3x
cos triple angle
Sin A + Sin B
sum to product sin
Cos A + Cos B
sum to product cos
Study Tools
Question
Pythagorean Identity
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Answer
sin squared plus cos squared
Fundamental trigonometric identity valid for all real x.
Used In
- Trigonometry
Frequently Viewed Together
Area of Circle
A = pi*r*r
Quadratic Formula
quadratic formula roots
Expansion of 2×2 Determinant
determinant 2x2

