2.1.6. Integration of the hyperbolic functions Formula: a) I coshu du = sinhu + c b) S sinhu du = coshu + c c) S sechau du = tanhu + c d) S cschu du = - cothu + c e) J sech u tanhu du = - sechu + c f) S cschu cothu du = - cschu + c Examples 3: a) Stanh x dx b) S sinh x cosh x dx c) Stanh2 x dx