Expressão 13: sine left parenthesis, "x" , right parenthesis equals 2sinx=2
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Sine is never equal to 2 since it oscillates between -1 and 1
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Or that
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Expressão 16: 2sine left parenthesis, "x" , right parenthesis minus 1 equals 02sinx−1=0
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Expressão 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
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the points of intersection are pi/6 and 5pi/6.
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Solutions
Ocultar esta pasta dos alunos.
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Expressão 20: sine left parenthesis, "x" , right parenthesis left brace, 0 less than or equal to "x" less than or equal to 2 pi , right bracesinx0≤x≤2π
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Expressão 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 bracey1=120≤x≤2π
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`\frac{\pi}{6}` left parenthesis, StartFraction, pi Over 6 , EndFraction , 1 half , right parenthesisπ6,12
Legenda:
equals=
left parenthesis, 0.5 2 3 5 9 8 7 8 , 0.5 , right parenthesis0.52359878,0.5
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`\frac{5\pi}{6}` left parenthesis, StartFraction, 5 pi Over 6 , EndFraction , 1 half , right parenthesis5π6,12
Legenda:
equals=
left parenthesis, 2.6 1 7 9 9 3 8 8 , 0.5 , right parenthesis2.61799388,0.5
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Expressão 24: "y" Subscript, 2 , Baseline equals 2 left brace, 0 less than or equal to "x" less than or equal to 2 pi , right bracey2=20≤x≤2π