What is expand 20sin(30(n-3))+12 ?

The solution to expand 20sin(30(n-3))+12 is 20sin(30n-90)+12

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expand 20sin(30(n-3))+12

expand

20 sin (30 (n - 3)) + 12

20 sin (30 n - 90) + 12

Solution steps

20 sin (30 (n - 3)) + 12

Expand

30 (n - 3) : 30 n - 90

= 20 sin (30 n - 90) + 12

(4 d + 3 e) (4 d - 3 e)

\frac{( 2 x - 1 ) ( 3 x + 2 )}{2}

(n - k - 1)! \cdot (n - k)

i e^{- (1 + i) t}

(x - e^{x} sin (y)) d y

What is expand 20sin(30(n-3))+12 ?
The solution to expand 20sin(30(n-3))+12 is 20sin(30n-90)+12