Question

I need help with the problem attached.

Answer 1

take the integral from 0 to 90

Answer 2

ya take the integral!

Answer 3

I don't know how to do that.

Answer 4

hahaa

Answer 5

\[\int\limits_{0}^{\pi/2}x+ \cos(x)\]

Answer 6

ya this is the way!

Answer 7

then you have \[x ^{2}/2 + \sin(x) + c\]

Answer 8

now put the limits!

Answer 9

you dont need c

Answer 10

well ye u dont but i put it anyways just so it looks smart

Answer 11

got the answer?

Answer 12

I still don't realize what the next step will be after.

Answer 13

what? just put in the values!

Answer 14

I suck at trigs!

Answer 15

its easy want to learn it this is just the basics!

Answer 16

i feel like i did something wrong...

Answer 17

I have no idea..

Answer 18

no its wrong

Answer 19

oh i found my error now

Answer 20

divide it by 4

Answer 21

not 2

Answer 22

\[((\pi/2)^{2}/2) + 1\]

Answer 23

ya thats right!

Answer 24

So that's what I put down for the answer?

Answer 25

it reduces to \[(\pi ^{2}/4) + 1\]

Answer 26

Okay, thanks. I need help with just one more problem.