A = (1, 1)
B = (6, 1)
c_2 = Semicircle(A, B)
C = Point(c_2)
d1, c, a, b = Polygon(A, B, C)
α, β, γ = Angle(d1)
sin1: a / c
cos1: b / c
tan1: a / b
tan2: b / a
Text1: "\sin(\alpha)=\frac{a}{c}=" + (LaTeX[sin1]) + "=\cos(\beta)"
Text2: "\cos(\alpha)=\frac{b}{c}=" + (LaTeX[cos1]) + "=\sin(\beta)"
Text3: "\tan(\alpha)=\frac{a}{b}=" + (LaTeX[tan1]) + ""
Text10: "\tan(\beta)=\frac{b}{a}=" + (LaTeX[tan2]) + ""