sin (In ac) da is x cos (In x) O In sec(In x) + tan(In x) | + sin(In ac) + C In sec(In ac ) | - sin (In ac) + C O In sec(In a) + tan(In x) | - sin(In ac) + C O In sec(In a) - tan(In x) | - sin(In xc) + C Question 6 sinh e-x/2 da is ex/2 O -2 coshe */2 + C O 2 cosh ex/2 + C O 2 cosh e */2 + C O - - (sinh e-x/2) + C