ABSTRACT

Did you ever try to solve the equation sin x = x or cos x = x https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9781003069577/5d33e1c8-4c4c-4f70-8923-318a0ea8baa8/content/eq416.tif"/>