The answer to “Fill in the blank to complete the trigonometric formula” is broken down into a number of easy to follow steps, and 9 words. The full step-by-step solution to problem: 6 from chapter: 5.5 was answered by , our top Calculus solution expert on 03/15/18, 04:43PM. This textbook survival guide was created for the textbook: Precalculus, edition: 7. Precalculus was written by and is associated to the ISBN: 9780618643448. This full solution covers the following key subjects: . This expansive textbook survival guide covers 85 chapters, and 8847 solutions. Since the solution to 6 from 5.5 chapter was answered, more than 213 students have viewed the full step-by-step answer.