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what is the domain of sin(t)
[-pie/2, pie/2]
what is the domain of cos (t)
[0,pie]
what is the range of cos (t) and sin (t)
[-1,1]
what is the domain and range of tan(t)
(-pie/2 , pie/2)
(-infinity, infinity)
sin-1 (sin(t)) = t when
t in (-pie/2 , pie/2)
sin (sin-1(x)) = x when
x in [-1,1]
cos -1 (cos(t)) = t when t
[0,pie]
cos (cos-1(a)) for a is in
[-1,1]
tan -1 (tan(b)) b in
[-pie/2 , pie/2]
tan (tan-1(x)) = x when x is
(-infinity, infinity)
sin(cos-2(x) =
sin(x) = +- squareroot 1-cos²(x)