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 Attachment 9879 and Attachment 9881
Question(b): Determine the values of Attachment 9879
Question(c): Determine the values of Attachment 9881 by eliminating @ in the expressions for x and y.
Question(d): Determine the values of Attachment 9881 by the method of function of a function
Question(e): Determine the values of: Attachment 9880using method of (b) and (c)