What is expand (t-sin(t))(3+3sin(t)) ?

The solution to expand (t-sin(t))(3+3sin(t)) is 3t+3tsin(t)-3sin(t)-3sin^2(t)

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expand (t-sin(t))(3+3sin(t))

expand

(t - sin (t)) (3 + 3 sin (t))

3 t + 3 t sin (t) - 3 sin (t) - 3 sin^{2} (t)

Solution steps

(t - sin (t)) (3 + 3 sin (t))

Apply FOIL method

(t - sin (t)) (3 + 3 sin (t)) : 3 t + 3 t sin (t) - 3 sin (t) - 3 sin^{2} (t)

= 3 t + 3 t sin (t) - 3 sin (t) - 3 sin^{2} (t)

(3 + x) (2 + x)

\frac{( x + 5 ) ( x - 2 )}{( 2 x - 1 ) ( x + 2 )}

- \frac{j}{9} (3 m + 72)

\frac{10 a ( 4 x + 9 )}{81 b x}

tan (x) (1 + sec (x))

What is expand (t-sin(t))(3+3sin(t)) ?
The solution to expand (t-sin(t))(3+3sin(t)) is 3t+3tsin(t)-3sin(t)-3sin^2(t)