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x^2 + y^2 -4x = 0 a) r=4sin0 b) r=4cos0 c) rcos^2 0 =4sin0 d) rsin^2 0= 4cos0 3- The letter x and y represents rectangular coordinates. Write the following equation using polar coordinates (r, 0) x^2+4y^2=4 a) cos^2 0 + 4sin^2 0 = 4r b) 4cos^2 0 + sin^2 0 =4r 0 + 4sin^2 0) = 4 d) r^2(4cos^2 0 + sin^2 0) = 4 c) r^2(cos^2 4) The letters r and 0 represent polar coordinates. Write the following equation using rectangular coordinates (x, y). r=10sin0 a) (x+y)^2=10x b) (x+y)^2=10y c) x^2+y^2=10y d) x^2+y^2=10x ------------------------------------------------------------------------------------ CS 2400 FUNCTIONS In addition to function FOR MORE CLASSES VISIT www.tutorialoutlet.com FUNCTIONS In addition to function main, a program source module may contain one or more other functions. The execution of the program always starts with function main. The statements of a function (other than function main) are executed only if that function is called in function main or any other function that is called in function main. After the statements of a function are executed, the next statement to be executed is the one that follows the statement in which that function is called. Example The statements of the program in figure F1 are executed in the following order: 23, 24, 26, 15, 16, 27, 28, 31, 32, 34, 15, 16, 35, 36, and 37. There are two types of functions in the C/C++ programming language: Functions that do not