Some formulae for Inverse Trigonometry are

sin
^{
β1
}
(βx) = β sin
^{
-1
}
x

cos
^{
β1
}
(βx) = Ο β sin
^{
-1
}
x

tan
^{
β1
}
(βx) = β tan
^{
-1
}
x

cosec
^{
β1
}
(βx) = β cosec
^{
-1
}
x

sec
^{
β1
}
(βx) = β sec
^{
-1
}
x

cot
^{
β1
}
(βx) = Ο β cot
^{
-1
}
x

Β

Β

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