Calculus 3

with full steps please

Question

# i need solve for 18 question for Calculus 3 1 x 9)sec cos 1 sec sec 1 6 x / 6 1

1 1 ,

as

x 0

and

cos

x sec x 6 6 sec sec 1 , as sec sec 1 x x x x 10)Let sin 1 x

x

x2 t sin t cos t 1 sin 2 t 1 2

2

4 4 x2

2 1 x 4 x2

Hence cos sin cos t 2 2…

Math

I need solve for 18 question for