Mathegoras

Complex numbers › The complex plane › Argument and polar form

Simplify expression with imaginary cosine and sine

High school · ●●●○○ 50 pts

Simplify 2cos⁡2(ilog⁡2009)+isin⁡(ilog⁡4036081)2\cos^2(i\log 2009)+i\sin(i\log 4036081), where log⁡\log is the natural logarithm. Give your answer as a decimal rounded to eight decimal places.

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