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TrigLab
Enter degrees — get all three ratios.
sin and cos describe the vertical and horizontal position of a point moving around a circle of radius 1 as the angle changes; tan is simply their ratio (sin ÷ cos), describing slope or steepness.
Construction (roof pitch, stair angles), navigation (bearing and distance), and any physics problem involving angled forces or motion all lean on these three ratios.
What you entered
Convert degrees to radians
30 × π ÷ 180= 0.5236sin(θ)
sin(30°)= 0.5cos(θ)
cos(30°)= 0.866tan(θ) = sin(θ) ÷ cos(θ)
tan(30°)= 0.5774Result
sin(θ): 0.5
At 30°, sin = 0.5, cos = 0.866, tan = 0.577.