now, is = or ?

for integration by parts, someone came up with a rule of thumb called the ILATE rule which gives what may be the best order for choosing which function to make u ...

I ... Inverse Trig functions

L ... Log functions

A... Algebraic functions

T... trig functions

E ... exponential functions

so, for you have an Algebraic function, , and a Trig function, . The ILATE rule says to let be the Algebraic function, , becauseAcomes beforeTin the word ILATE.