eguruchela

Trigonometry Calculator


The trigonometric functions have been defined using the unit circle.

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Radians


Sin     
Cos
Tan
Cot
Sec
Cosec
Arc Sin
Arc Cos
Arc Tan
Arc Cot
Arc Sec
Arc Cosec

Degrees

Sin
Cos
Tan
Cot
Sec
Cosec
Arc Sin
Arc Cos
Arc Tan
Arc Cot
Arc Sec
Arc Cosec

The sin(θ) is the vertical component , the cos(θ) is the horizontal coordinate of the arc endpoint.

where

Sin(q) = Opposite / Hypotenuse

Cos(q) = Adjacent / Hypotenuse

Tan(q) = Opposite / Adjacent

Triangular-pyramid

The table for basic trigonometric numbers of the most common angles as follows:

Angle sin cos tan cot sec cosec
0o 0 1 0 Not define 1 Not define
30o 1/2 √3/2 1/√3 √3 2/√3 2
45o 1/√2 1/√2 1 1 √2 √2
60o √3/2 1/2 √3 1/√3 2 2/√3
90o 1 0 Not define 0 Not define 1