OpenStax, Algebra and Trigonometry 2e §8.3 Inverse Trigonometric Functions · Exercise 60 · Trigonometry · Inverse functions
Inverse Trigonometric Functions · Exercise 60
What percentage grade should a road have if the angle of elevation of the road is 4 degrees? (The percentage grade is defined as the change in the altitude of the road over a 100-foot horizontal distance. For example a 5% grade means that the road rises 5 feet for every 100 feet of horizontal distance.)
Its source prints no answer for this problem, so there's nothing to check against.
OpenStax, Algebra and Trigonometry 2e · §8.3 Inverse Trigonometric Functions · Exercise 60
Stuck? A gentle nudge
No hints for this one.
Your working
Check your full solution
Upload photos of your handwritten work or a PDF, and Lemma will read it and tell you whether it's right — and where it first goes wrong if not.