What is expand-3cos((2x^3+2)^3) ?

The solution to expand-3cos((2x^3+2)^3) is -3cos(8x^9+24x^6+24x^3+8)

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expand-3cos((2x^3+2)^3)

expand

- 3 cos ((2 x^{3} + 2)^{3})

- 3 cos (8 x^{9} + 24 x^{6} + 24 x^{3} + 8)

Solution steps

- 3 cos ((2 x^{3} + 2)^{3})

(2 x^{3} + 2)^{3} = 8 x^{9} + 24 x^{6} + 24 x^{3} + 8

= - 3 cos (8 x^{9} + 24 x^{6} + 24 x^{3} + 8)

(sin (x))^{4}

x (- 2 + 3)

A (5, 8) B (- 1, - 4)

\frac{( x - 2 ) ( x + 5 )}{( x - 8 )}

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

What is expand-3cos((2x^3+2)^3) ?
The solution to expand-3cos((2x^3+2)^3) is -3cos(8x^9+24x^6+24x^3+8)