Question

help me... i really need help. :(

Answer 1

how to solve the V and VI ?

Answer 2

Well, for V, you just need to make the substitutions. Choose from these:
\[x=r \cos \theta \]
\[y=r \sin \theta \]
\[x^2+y^2=r^2\]

Answer 3

ahh okay.. in V, i don't have answer in #8 and #13.. I don't know how to solve it..

Answer 4

What is x?

Answer 5

po? sorry.. I don't understand...

Answer 6

I am going to type the substitution for x for the last time:

Answer 7

\[x=r \cos \theta \]

Answer 8

x = x ?