Tri-gono-metry

Geometry Level 3

Let f(x)=sinx45°+cosx45°f(x) = {\sin}^x {45}^° + {\cos}^x {45}^°.

Then find the value of f(2016)f(2018)f(2014)\dfrac{f(2016) - f(2018)}{f(2014)}.

Give your answer up to two decimal places.

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