Example 13 Sketch y = 2cos x -1 and y = -2|sin x| for values of x between 0  x  360.
{"Image DocumentName": "Example 13Sketch y = 2cos x -1 and y = -2|sin x| for values of x between 0 \uf0a3 x \uf0a3 360\uf0b0.", "Image ImageDescription": "Hence find the no. of solutions 2cos x -1 = -2|sin x| in the interval. Solution: Answer: No of solutions = 2. y = 2cos x -1. x. x. y = -2|sin x|", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}