Discuss the continuity of the following functions:

MATHEMATICS · Multi-part · CBSE · Mathematics · Continuity and Differentiability · Continuity and Differentiability

Problem

21. Discuss the continuity of the following functions: (a)

f(x)=\sin x+\cos x

(b)

f(x)=\sin x-\cos x

(c)

f(x)=\sin x \cdot \cos x