Question
Show that the function defined by $f(x) = |\cos x|$ is a continuous function.
Show that the function defined by $f(x) = |\cos x|$ is a continuous function.
We know that cosine function is everywhere continuous and also modulus function is continuous. Therefore, $|\cos x|$ is everywhere continuous.
NCERT & Exemplar solution for CBSE Class 12 Mathematics, Continuity and Differentiability. Curated by Sachin Sharma. Free for all students.