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OCR: HPor 11.3 Using Mathematical Functions 619 lefined in double n, X, y; ed char buff [BUF SIZE]; e for the The call printf "Enter SIZE, value for stdin n: fgets buff BUF trtod( buff, NULL an over- pri intf "Enter val ue for the value fgets( buff BUF SIZE stdin ANGE are strtod buff NULL ange of pr intf( printf( Note periment sqrt error( printf %4 is ,X, y; Note Note 3 .2f 5.2f\n" tan( pr error( intf( "tan tan 2f 85.2f.\n", x, y; Note is poW pri "pow" "pow \n", x, n, v) intf( 2f, 4.2 is 85.2f. return plays and ****/ error void error( char Note 6 errno perror Note 7 errno lote buff called prompts double The the with for bv value. program the two expression Then input consists numerical per the values strtoa( of as two values. buff, functions After NULL each The main has time, sar converts funct ...