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Max/ min

  1. May 1, 2009 #1
    can someone explain what this question means
    r=5sin(2^)

    options
    a. max calue r occurs when sin(2^)=1
    b. " " sin*2^)=-1
    c. min sin(2^)=0
    d. min Sin(2^)=-1
     
  2. jcsd
  3. May 1, 2009 #2
    Min Max how to figure what they are ??

    can someone explain what this question means
    r=5sin(2^)

    options
    a. max calue r occurs when sin(2^)=1
    b. " " sin*2^)=-1
    c. min sin(2^)=0
    d. min Sin(2^)=-1
     
  4. May 1, 2009 #3

    mathman

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    Science Advisor
    Gold Member

    Your notation is strange. What is 2^? I also have trouble understanding the options.
     
  5. May 1, 2009 #4

    HallsofIvy

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    Staff Emeritus
    Science Advisor

    Re: Min Max how to figure what they are ??

    At first I thought that "^" was "degrees" so that sin(2^) was "sin of 2 degrees" but then 5 sin(2 degrees) is a specific number- it would make no sense to talk about "max" and "min" for a single number. Only an expression or function can have "max" or "min" so- what does "sin(2^)" mean?

    If the problem was actually r= 5sin(2^x), that is [itex]r= 5 sin(2^x)[/itex], then just use the fact that the largest possible value of sine is 1 and the smallest possible value is -1.
     
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