Enhedscirklen
Author: Frede Dybkjær

Kapitel 2. Trigonometri.
Øvelse 15. Side 59. Enhedscirklen.

90 grader

0 grader

Demonstration af ensvinklede trekanter og af sinus.

A1 = Intersect(xAxis, yAxis)
b_1 = 3.4 (slider from 0 to 10, step 0.1)
C: (b_1, 0)
A = 0.6632251157578453 rad (slider from 0 to 1.5707963267948966, step 0.017453292519943295)
b = Segment(C, A1)
W = Rotate(C, A, A1)
α = Angle(C, A1, W)
a_1 = Ray(A1, W)
c_1 = OrthogonalLine(C, b)
B = Intersect(a_1, c_1)
c = Segment(A1, B)
a = Segment(B, C)
T4: "Siden a = " + a
T5: "Siden c = " + c
T6: "Forholdet a/c =" + (a / c)
T7: "sin(A) = " + (sin(A))
T10: "Vinkel A i grader = " + A
g = Circle(A1, 1)
P = Intersect(g, c)
T9: "P " + P