1. Think about the relation between XY and 0, what is correct representation of X? (2 points] a. X=R sin 0 b. X=R cos 0 c. X=1/R sin 0 d. X=1/R cos 0 R S V 2. What is the correct representation of Y? (2 points) a. Y=R sin 0 X b. Y=R cos 0 C. Y=1/R sin 0| d. Y=1/R cos 0