cos(𝑥)+sin(𝑥)≤𝑒 The inequality image is really weird and i cannot understand why.Hope that you may draw the image on a calculator and see how it is like.I really need the anwser of WHY and HOW in a mathematical way.THANK U VERY MUCH.

needhams skimmer_____ Libellula needhami, or Needham's skimmer, is a types of skimmer in the group of dragonflies known as Libellulidae. It is tracked down in the Caribbean, Central America, and North America. The IUCN protection status of Libellula needhami is "LC", least worry, with no quick danger to the species' presence. https://www.edulete.in/question/the-needham-s-skimmer-can-be-classified-under-which-taxonomic-group