Identify the line of symmetry that allows you to consider only half of the region…

MATHEMATICS · Subjective · CBSE · Mathematics · Introduction to Trigonometry · Introduction to Trigonometry

Problem

Identify the line of symmetry that allows you to consider only half of the region bounded by

y=\cos x

and

y=|\cos x|

on the interval

[-\pi,\,\pi]

when computing its total area.