Trigonometry RUS

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Cribs of the trigonometry, habitual to Russian eye on your phone!

For English version see Trigonometry Theta.

App contains

- Definitions of sine, cosines, etc.

- The basic identities

- Parity

- Inversion

- Multiple angles formulas

- Reduction formulas

- Sum formulas

- Derivatives

- Integrals

And more..

**Tags**

Sin cos tg ctg