Please note that closing the exam does not stop or pause the timer so that the exam should be completed in one sitting. Remember that you are assessed on your explanations to the problem and therefore need to provide your reasoning in the text field for each question. A correct answer without an explanation will not earn any credit. Question 4 O point How Did I Do? Use reference angles to evaluate sec (15 4 Enter the exact answers. For the number , either choose from the bar at the top or type in Pi (with a capital P). The reference angle is a a b sec (15 4 sin (a) ab sin (a) E A Show your work and explain, in your own words, how you arrived at your answer. Answers with no relevant explanations may receive reduced or no credit. Equation Editor 1= 2= AAT BIUS X x Styles Font Size