θ = 0°: sin(0) = 0, cos(0) = 1, tan(0) = 0
θ = 30°: sin(30) = 1/2, cos(30) = √3/2, tan(30) = √3/3
θ = 45°: sin(45) = √2/2, cos(45) = √2/2, tan(45) = 1
θ = 60°: sin(60) = √3/2, cos(60) = 1/2, tan(60) = √3
θ = 90°: sin(90) = 1, cos(90) = 0, tan(90) = Undefined