5 05 points I Previous Answers StitzPreCalc3 102022 My Notes

5. 0/5 points I Previous Answers StitzPreCalc3 10.2.022. My Notes Ask Your Teacher If cos(9)=13 with in Quadrant I, what is sin()? sin()-1 18 Show My Work (Optional) Submit Answer Home My Assignments Extension Request wobAssign® 4.0 © 1997-2017 Advanced Instructional Systems, Inc. Al rights reserved.

Solution

cos theta = 13/ 18

base = 13

hypotenuse = 18

perpendicular = sqrt 18^2 - 13^2 = sqrt 155

sin theta = perpendicular / hypotenuse

sin theta = sqrt 155 / 18