−5cos x=4
Select all correct solutions;
approximately 0.644
approximately 2.498
approximately 3.785
approximately 5.640
im pretty sure its 2.498 and 3.785
-5 cos x = 4
cos x = -4/5
Arcos x = x = arcos (-4/5) = 2.498 R and 3.785 R
+296 
