Problem
Convert the given point from rectangular form to polar form. \( (13,27) \) \( \left.([?],]^{\circ}\right) \) Round your answer to the nearest tenth.
Solution
Step 1 ：\( r = \sqrt{13^2 + 27^2} \)
Step 2 ：\( \theta = \tan^{-1}(\frac{27}{13}) \)
Step 3 ：\( \left.(29.4, 64.1^{\circ}\right) \)
