Trigonometry Calculator
Calculate sine, cosine, and tangent values. Select angle type, enter value, and choose function.
Enter angle between -360° and 360°
Result
sin(
45°
) =
0.7071
Calculation:
sin(45°) = 0.7071
Angle in radians:
0.7854
Exact value:
√2/2
All Trigonometric Values
sin(θ)
0.7071
cos(θ)
0.7071
tan(θ)
1.0000
Trigonometry Tips
- sin(θ) = opposite/hypotenuse
- cos(θ) = adjacent/hypotenuse
- tan(θ) = opposite/adjacent = sin(θ)/cos(θ)
- Common angles: 0°, 30°, 45°, 60°, 90°
- tan(90°) is undefined (infinite)
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