Question

Hi all! checking my answer :) "If f(t)=csct, find f"(pi/6)"
I get a second derivative of csc^3t +csct*cot^2t
My answer is 8+2sqr(3)

Answer 1

Your 2nd derivative is correct. So convert everything to sin t and cos t and you can get your answer

Answer 2

checking it

Answer 3

so 14?

Answer 4

yep! 14 is correct :)

Answer 5

:D cool

Answer 6

thanks :)