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Find f(2020π/9+2021kπ) ,where k is an integer number, if f(x)=4sin^{2}3x/2-4cos^{2}3x/2 `

Answer»

d F(2020π/9+2021kπ) ,where K is an integer number, if f(X)=4SIN^{2}3x/2-4cos^{2}3x/2 `



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