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Find the maximum & minimum values of 27^...

Find the maximum & minimum values of `27^(cos2x). 81^(sin2x)`

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The minimum value of 27^(cos3x)81^(sin3x) is

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  3. Find the maximum & minimum values of 27^(cos2x). 81^(sin2x)

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  17. Show that 4sin27^0=(5+sqrt(5))^(1/2)-(3-sqrt(5))^(1/2)

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