To use the sqrt() function, or other mathematical library functions, you must #include the ________ header file in your program.
A) iostream
B) iomanip
C) cmath
D) algebra
E) mathlib

Question

Quizplus · Accepted Answer

The cmath header file contains the declaration for the sqrt() function and other mathematical library functions. The iostream header file is used for input/output operations, while iomanip is used for formatting output. Algebra and mathlib are not standard header files in C++.

To Use the Sqrt() Function, or Other Mathematical Library Functions