`4cos^2 (x) - 2sin(x) + 1 = 0, [-pi/2,pi/2]` Use a graphing utility to approximate the solutions (to three decimal places) of the equation in the given interval.

Expert Answers
gsarora17 eNotes educator| Certified Educator

See the attached graph,

x `~~`  1.100

Images:
This image has been Flagged as inappropriate Click to unflag
Image (1 of 1)