integral of 1/(sinX +secX) dx
multiply numerator and denominator by sec2x
sec2x/(tanx+sec2x) =sec2x/(tanx+1+tan2x)
let tanx =t
=> sec2x dx =dt
and solve the eq.in the form of 't'.
integral of 1/(sinX +secX) dx
multiply numerator and denominator by sec2x
sec2x/(tanx+sec2x) =sec2x/(tanx+1+tan2x)
let tanx =t
=> sec2x dx =dt
and solve the eq.in the form of 't'.