Trigonometric Calculator
Calculate sine, cosine, tangent, and all 6 trig functions, inverse arc functions, and solve right triangles.
Angle Parameters
Decimals:
Quick Angles:
Location & Quadrant
Quadrant I (0° – 90°)
All functions (+)
Reference Angle
θ_ref = 45.00°
0.7854 rad
Unit Conversions
45.00° = 0.7854 rad
50.00 grad
6 Trigonometric Functions (θ = 45°)
sin(θ)
Sine
0.7071
Exact: √2/2
Opposite / Hypotenuse
cos(θ)
Cosine
0.7071
Exact: √2/2
Adjacent / Hypotenuse
tan(θ)
Tangent
1.0000
Exact: 1
Opposite / Adjacent = sin/cos
csc(θ)
Cosecant
1.4142
Exact: √2
1 / sin(θ)
sec(θ)
Secant
1.4142
Exact: √2
1 / cos(θ)
cot(θ)
Cotangent
1.0000
Exact: 1
1 / tan(θ) = cos/sin
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