Trigonometric Formulas



This free math app is a collection of the most important trigonometric formulas for sine, cosine, tangent and cotangent. It shows you:

- symmetry laws
- shifts laws
- periodicity laws
- angle sum and difference identities

Best math tool for school and college! If you are a student, it will helps you to learn geometry!

Note: Trigonometric functions are used for computing unknown lengths and angles in triangles (in navigation, engineering and physics). The sine and cosine functions are also commonly used to model periodic function phenomena such as sound and light waves, the position and velocity of harmonic oscillators.

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