Trigonometric unit circle
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Recommended for pupils and students.
Visual understanding and calculating sine, cosine, tangent, cotangent, secant and cosecant function, degrees and radians.
Description of functions.
Move point to define angle and functions.
Tap circle center to determine the exact angle you want.
Use options to show what you want.
Added descriptions of functions and some formula.
You can increase the number of digits.
You can change the radius.
Added Persian language.
Fixed tangent diagram in the Cartesian mode.
Fixed some bugs.