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Explain any five functions of header. |
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Answer» 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. ceil() 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 ceil( float num); 4. exp() function: It is a mathematical function that returns the natural logarithm base “e” raised to the power equal to the argument. Syntax: float exp( float num); 5. sqrt() function: It is a mathematical function that returns the square root of the given “num” value. Syntax: float sqrt( float num); |
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