NCERT Exercise 5.1 Q22 - Continuity and Differentiability

Question: Discuss continuity of cosine, cosecant, secant and cotangent functions.

Answer: Cosine continuous on R; cosecant continuous except x=n pi; secant except x=(2n+1)pi/2; cotangent except x=n pi (n in Z).

Full step-by-step NCERT solution with diagrams on Something by Zero.

All Chapter 5 solutions