\f1.5. Integration of the inverse trigonometric functions Formulas: du a) J Va 2 - 1/2 = sin-1 ( 4 ) + c b) - J du Va2-2 2 = cos -1 (u) + c du c) J a 2 +uz - tan-1 ( 2 ) + c du d) J uvu 2 - a2 = sec 1 ( ) + c Examples: 1 ) S 16+ x2 dx