Needed correct answers for a,b,c and d , and please give me exact values of them.. Will be highly appreciated..

Express the point given in Cartesian coordinates in spherical coordinates (p, 6, (b). Note: you really only have to do the work for one, if you use a little geometry and your knowledge of the trig functions. A) (%'/63%'/1%\\/)= f7 B)(_%\\/63 %\\/a g) =