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sabika13

  • 3 years ago

solve for x in the given interval sinxtan3x=0(-pi,0)

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  1. matricked
    • 3 years ago
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    given sinx tan3x=0 means either sinx=0 or tan3x=0 if sinx=0 then x=n(pi) where n is an integer if tan3x=0 then 3x=m(pi) where m is an integer for getting the values in the given inter use proper values for n and m and thus the answer are 0.-(pi)/3,-2(pi)/3,-pi etc..

  2. sabika13
    • 3 years ago
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    how is -2pi/3 in the interval?

  3. matricked
    • 3 years ago
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    when m=2 in 3x=mpi and it is less than -pi also tan3(-2(pi)/3))=0

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