Question

Heya buddies________❤❤
Answer me✌
Thanks☺

Answer 1

Answer:

Step-by-step explanation:

1+cosx=2cos^2(x/2)

So,

dx/(✓2cos(x/2))

=1/✓2 integral of sec(x/2)

=2/✓2log(sec(x/2)+tan(x/2))+c

Hope you understood,if not ask me.

Answer 2

Answer:

inspector answers is correct