Home › AP EAPCET (Engineering) › Mathematics › Trigonometry: Hyperbolic Functions › What is the indefinite integral of tanh x?
What is the indefinite integral of tanh x?
Asech^2 x + C
Bln(cosh x) + C
Ctanh^2 x / 2 + C
Dln(sinh x) + C
Answer & Solution
Correct answer: B. ln(cosh x) + C
tanh x = sinh x / cosh x, which is the derivative of ln(cosh x).
Related questions
The expression (cosh x - 1)/sinh x equals which half-argument value?The sum sinh x + sinh y is the same as 2 sinh((x + y)/2) multiplied by what?Raising cosh x + sinh x to the third power gives which expression?In the complex plane, the hyperbolic tangent and the other derived hyperbolic functions arWhich function links circular and hyperbolic functions without using complex numbers?If c' = s and s' = c with s(0) = 0 and c(0) = 1, then s(x) equals what?Which function f solves f' = 1 - f² with f(0) = 0?In special relativity, hyperbolic functions are used to express which kind of transformati