Dear all,

I am currently stuck at this question and require your help.

The variable x and r are defined as

x = r cos @ and y = r sin @

Question (a): Explain what is meant by and

Question(b): Determine the values of

Question(c): Determine the values of by eliminating @ in the expressions for x and y.

Question(d): Determine the values of by the method of function of a function

Question(e): Determine the values of: using method of (b) and (c)

Thank you