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cutiecomittee123

  • one year ago

Which function matches the graph? a. y=3csc(1/2x) b. y=1/3sec(2x) c. y=sec(1/2x)+3 d. y=3sec(1/2x)

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  1. cutiecomittee123
    • one year ago
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    |dw:1444538944348:dw|

  2. anonymous
    • one year ago
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    probably best to know what csc, sec, reduce to in sin, cos, tan etc...

  3. cutiecomittee123
    • one year ago
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    the amplitude is 3, I know that, and I think it is a secant graph. So I am guessing the answer is d. am I right?

  4. anonymous
    • one year ago
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    \[\csc(x)=\frac{ 1 }{ \sin(x) }; {\space}\sec(x)=\frac{ 1 }{ \cos(x) }\]

  5. anonymous
    • one year ago
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    so we can reduce our equations to either: \[y=\frac{ 3 }{ \sin(\frac{ x }{ 2 })}\] \[y=\frac{ 1 }{ 3\cos(2x) }\] \[y=\frac{ 1 }{ \cos(\frac{ x }{ 2 }) }+3\] \[y=\frac{ 3 }{ \cos(\frac{ x }{ 2 }) }\]

  6. cutiecomittee123
    • one year ago
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    okay that sorta makes sense but i am a visual learner so

  7. anonymous
    • one year ago
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    btw, when you write sec(1/2x) is that \[\sec(\frac{ x }{ 2 })\] or \[\sec(\frac{ 1 }{ 2x })\]

  8. anonymous
    • one year ago
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    yes d looks right

  9. cutiecomittee123
    • one year ago
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    cool thanks

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