Calculus - integration............

1

convert sin x and cosx in half the tangents

1

after coverting take tan x/2 as substitution
u've enof infrmation .....shud try it ur own now

66

convert sin x + cos x = √2 sin (x + Ï€/4)

11

1 more way
multiply upper nicche wid cosx-sinx

u get integration of
cosx-sinx dx/cos2x
or
cos x -sin x . sec x . dx
and u can integrate the above by parts[1]

integration............