What is expand 2.5sin(2.5(x-8.5)) ?

The solution to expand 2.5sin(2.5(x-8.5)) is 2.5(-0.73769…sin(2.5x)-0.67513…cos(2.5x))

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expand 2.5sin(2.5(x-8.5))

expand

2.5 sin (2.5 (x - 8.5))

2.5 (- 0.73769 \dots sin (2.5 x) - 0.67513 \dots cos (2.5 x))

Solution steps

2.5 sin (2.5 (x - 8.5))

Expand

2.5 (x - 8.5) : 2.5 x - 21.25

= 2.5 sin (2.5 x - 21.25)

Rewrite using trig identities

= 2.5 (- 0.73769 \dots sin (2.5 x) - 0.67513 \dots cos (2.5 x))

\frac{10}{s ( s + 2 ) ( s + 4 )}

(x^{2} + 2 x y i - y^{2} - 2)^{2}

\frac{100 \cdot b \cdot z ^{2}}{( 10 \cdot z - 9 ) ^{2}}

(1 + 1 - 4 a)^{2}

- \frac{1}{x ( x + 4 ) ( x + 5 )}

What is expand 2.5sin(2.5(x-8.5)) ?
The solution to expand 2.5sin(2.5(x-8.5)) is 2.5(-0.73769…sin(2.5x)-0.67513…cos(2.5x))