Question

Finf f''x when fx =cscx

Answer 1

I'm trying to guide you to the answer. Sorry for not saying the answer directly.
What is csc(x)?

Answer 2

It's okay I have a basic understanding cscx is -cscxcotx right?

Answer 3

what?

Answer 4

I'm asking the function itself.

Answer 5

What do you mean?

Answer 6

What is the definition of cosecant? :)

Answer 7

wait are you stuck in the first differentiation or the second differentiation

Answer 8

The second

Answer 9

what is the value of first that you calculated? :)

Answer 10

-cscxcotx

Answer 11

Then I did the product rule and got -cscxcotx (cotx)+-cscx(-csc^2x)

Answer 12

but mine says it's csc(x)/x...

Answer 13

How ?

Answer 14

welcome @JAMG :D

Answer 15

yep -csc x cot x :D

Answer 16

wait sorry my calculator got some problem it's -cscxcotx :)

Answer 17

Oh okay lol

Answer 18

So how do you find the second ?

Answer 19

yep you used the product rule correctly :)

Answer 20

put it in terms of sin and cos

Answer 21

lol ok @JAMG I'll leave it to you....

Answer 22

we can help together

Answer 23

If I put it terms of sin and cos wouldn't that make it more complicated?

Answer 24

@Theanitrix that's also what i think

Answer 25

just expand it and you'll find the common factor :)

Answer 26

done i think what you guys get

Answer 27

medal'd you @JAMG :)