Inverse Sine, Cosine and Tangent
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sin⁻¹(-1)
-π/2
sin⁻¹(-√3/2)
-π/3
tan⁻¹(-√3)
-π/3
sin⁻¹(-√2/2)
-π/4
tan⁻¹(-1)
-π/4
sin⁻¹(-1/2)
-π/6
tan⁻¹(-√3/3)
-π/6
cos⁻¹(1)
0
sin⁻¹(0)
0
tan⁻¹(0)
0
cos⁻¹(-1/2)
2π/3
cos⁻¹(-√2/2)
3π/4
cos⁻¹(-√3/2)
5π/6
cos⁻¹(-1)
π
cos⁻¹(0)
π/2
sin⁻¹(1)
π/2
cos⁻¹(1/2)
π/3
sin⁻¹(√3/2)
π/3
tan⁻¹(√3)
π/3
cos⁻¹(√2/2)
π/4
sin⁻¹(√2/2)
π/4
tan⁻¹(1)
π/4
cos⁻¹(√3/2)
π/6
sin⁻¹(1/2)
π/6
tan⁻¹(√3/3)
π/6