C Program Please (Not C++) Briefly explain the purpose or what if of the followi

Question

C Program Please (Not C++)

Briefly explain the purpose or what if of the following statements or code segments would be expected to do when if it occurred in a program. Assume that each statement has correct syntax and that any variables are already declared (and initialized, if applicable), and that the statement appears in the correct context for its usual purpose. Do not “read” any unusual or atypical meaning into this question; it is intended to be very straightforward. Syntax may (but will not necessarily) include C keywords or variable names assigned by the programmer. Note that some cases are standalone lines of code, and others are partial statements, not intended to stand as a complete line of code.

1. return (x*y);

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2. ( c == pow(a,b) )

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3. c = sin(PI/2.0);

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4. printf (“%f”, cos(1.86));

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5. switch( displayMenu() ) // assume that displayMenu() is a programmer-defined function

Explanation / Answer

1. return (x*y);

This returning the product of two variables x and y.

2. ( c == pow(a,b) )

Here we are checking the value of the variable ‘c’ with the ‘a’ raised to the power of ‘b’ are equal or not.

3. c = sin(PI/2.0);

Here we are assigning the sin of radian angle (pi/2.0) to the variable ‘c’

4. printf (“%f”, cos(1.86));

Here we are printing the cos of radian angle 1.86 using printf statement

5. switch( displayMenu() ) // assume that displayMenu() is a programmer-defined function

Here we are calling the switch case by passing the value returned by the dislayMenu() function.Based on that the corresponding case will be executed which is present inside the switch block

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