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What is the inverse of sinh x ?
ln (x + √(x² + 1))
What is the inverse of cosh x ?
ln (x + √(x² -1))
What is the inverse of tanh x ?
½ ln (1 + x / 1-x )
What is the inverse of coth x ?
½ ln (x + 1 / x-1 )
What is the inverse of sech x ?
ln (1 + √(1-x²)
/
x)
What is the inverse of csh x ?
ln (1/x + √(1/x² + 1))