What is a positive value of x for which 9^(-cos x) = 1/3?

NOTE: The (-cos x) is the exponent in this case.

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- September 30th 2008, 09:32 PMmagentaritaPositive Value of x
What is a positive value of x for which 9^(-cos x) = 1/3?

NOTE: The (-cos x) is the exponent in this case. - September 30th 2008, 09:41 PMChris L T521
- October 1st 2008, 04:59 PMmagentaritayes.....