Expression 6: "s" equals "c" left parenthesis, 1 plus cos "a" , right parenthesiss=c1+cosa
equals=
3.6 8 9 5 9 0 3 3 0 6 43.68959033064
6
Expression 7: "a" equals 0.8 2 7a=0.827
00
2 pi2π
7
Expression 8: "y" equals left parenthesis, tan "a" , right parenthesis "x" left brace, left parenthesis, "s" cos "a" minus "x" , right parenthesis "x" greater than or equal to 0 , right bracey=tanaxscosa−xx≥0