Expression 8: "x" equals 2cosine "a" left brace, 0 less than "y" less than sin "a" , right brace Has graph. To audio trace, press ALT+T.x=2cosa0<y<sina
8
Expression 9: "x" equals 2cosine "b" left brace, 0 less than "y" less than sin "b" , right brace Has graph. To audio trace, press ALT+T.x=2cosb0<y<sinb
9
Expression 10: left parenthesis, "x" minus "t" , right parenthesis left parenthesis, sin "a" , right parenthesis equals left parenthesis, "y" , right parenthesis left parenthesis, 2cos "a" minus "t" , right parenthesis left brace, "t" less than "x" less than 2cos "a" , right brace Has graph. To audio trace, press ALT+T.x−tsina=y2cosa−tt<x<2cosa
10
Expression 11: left parenthesis, "x" minus "t" , right parenthesis left parenthesis, sin "b" , right parenthesis equals left parenthesis, "y" , right parenthesis left parenthesis, 2cos "b" minus "t" , right parenthesis left brace, "t" greater than "x" greater than 2cos "b" , right brace Has graph. To audio trace, press ALT+T.x−tsinb=y2cosb−tt>x>2cosb
11
P' left parenthesis, 2cos "a" , 0 , right parenthesis equals left parenthesis, 1.8 4 2 1 2 1 9 8 8 0 1 , 0 , right parenthesis Has graph. To audio trace, press ALT+T.2cosa,0
Label:
equals=
left parenthesis, 1.8 4 2 1 2 1 9 9 , 0 , right parenthesis1.84212199,0
12
Q' left parenthesis, 2cos "b" , 0 , right parenthesis equals left parenthesis, 0.1 4 1 4 7 4 4 0 3 3 3 5 , 0 , right parenthesis Has graph. To audio trace, press ALT+T.2cosb,0
Label:
equals=
left parenthesis, 0.1 4 1 4 7 4 4 , 0 , right parenthesis0.1414744,0