Question

3. Explain any three functions with examples​

Answer 1

1. a cos() function: It is a mathematical function that returns the arc cosine value for the given argument. The argument value must be in the range -1 to 1, otherwise, a domain error is triggered.

Syntax: float acos ( float arg);

2. cos() function: It is a mathematical function that returns the cosine Value for the given radians.

Syntax: float cos( float arg );

3. cell() function: It is a mathematical function that returns the smallest integer value that is not less than the specified number. In other words, it returns the Round-Up value of a given

number. Syntax: float cell( float num);