Expression 13: sine left parenthesis, "x" , right parenthesis equals 2sinx=2
13
Sine is never equal to 2 since it oscillates between -1 and 1
14
Or that
15
Expression 16: 2sine left parenthesis, "x" , right parenthesis minus 1 equals 02sinx−1=0
16
Expression 17: sine left parenthesis, "x" , right parenthesis equals 1 half left brace, 0 less than or equal to "x" less than or equal to 2 pi , right bracesinx=120≤x≤2π
17
the points of intersection are pi/6 and 5pi/6.
18
Solutions
Hide this folder from students.
19
Expression 20: sine left parenthesis, "x" , right parenthesis left brace, 0 less than or equal to "x" less than or equal to 2 pi , right brace Has graph. To audio trace, press ALT+T.sinx0≤x≤2π
20
Expression 21: "y" Subscript, 1 , Baseline equals 1 half left brace, 0 less than or equal to "x" less than or equal to 2 pi , right brace Has graph. To audio trace, press ALT+T.y1=120≤x≤2π
21
`\frac{\pi}{6}` left parenthesis, StartFraction, pi Over 6 , EndFraction , 1 half , right parenthesis equals left parenthesis, 0.5 2 3 5 9 8 7 7 5 5 9 8 , 0.5 , right parenthesis Has graph. To audio trace, press ALT+T.π6,12
Label:
equals=
left parenthesis, 0.5 2 3 5 9 8 7 8 , 0.5 , right parenthesis0.52359878,0.5
22
`\frac{5\pi}{6}` left parenthesis, StartFraction, 5 pi Over 6 , EndFraction , 1 half , right parenthesis equals left parenthesis, 2.6 1 7 9 9 3 8 7 7 9 9 , 0.5 , right parenthesis Has graph. To audio trace, press ALT+T.5π6,12
Label:
equals=
left parenthesis, 2.6 1 7 9 9 3 8 8 , 0.5 , right parenthesis2.61799388,0.5
23
Expression 24: "y" Subscript, 2 , Baseline equals 2 left brace, 0 less than or equal to "x" less than or equal to 2 pi , right brace Has graph. To audio trace, press ALT+T.y2=20≤x≤2π
