What is expand cos(((3n-2)pi)/3) ?

The solution to expand cos(((3n-2)pi)/3) is cos((3pin-2pi)/3)

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expand cos(((3n-2)pi)/3)

expand

cos (\frac{( 3 n - 2 ) π}{3})

cos (\frac{3 πn - 2 π}{3})

Solution steps

cos (\frac{( 3 n - 2 ) π}{3})

\frac{( 3 n - 2 ) π}{3} = \frac{3 πn - 2 π}{3}

= cos (\frac{3 πn - 2 π}{3})

2 (x + 1) x + 1

x (x - 3 = 10)

\frac{7 x - 1}{x ( x + 1 )}

\frac{( 2 e - 1 ) ^{2}}{4}

\frac{1}{( x + 1 ) ^{2} ( x + 2 )}

What is expand cos(((3n-2)pi)/3) ?
The solution to expand cos(((3n-2)pi)/3) is cos((3pin-2pi)/3)