What is expand (311.13sin(377t))*(3sin(377t)-1.5) ?

The solution to expand (311.13sin(377t))*(3sin(377t)-1.5) is 933.39sin^2(377t)-466.695sin(377t)

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expand (311.13sin(377t))*(3sin(377t)-1.5)

expand

(311.13 sin (377 t)) \cdot (3 sin (377 t) - 1.5)

933.39 sin^{2} (377 t) - 466.695 sin (377 t)

Solution steps

(311.13 sin (377 t)) (3 sin (377 t) - 1.5)

Apply the distributive law:

a (b - c) = ab - a c

(311.13 sin (377 t)) (3 sin (377 t) - 1.5) = 311.13 sin (377 t) \cdot 3 sin (377 t) - 311.13 sin (377 t) \cdot 1.5

= 311.13 sin (377 t) \cdot 3 sin (377 t) - 311.13 sin (377 t) \cdot 1.5

Simplify

311.13 sin (377 t) \cdot 3 sin (377 t) - 311.13 sin (377 t) \cdot 1.5 : 933.39 sin^{2} (377 t) - 466.695 sin (377 t)

= 933.39 sin^{2} (377 t) - 466.695 sin (377 t)

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What is expand (311.13sin(377t))*(3sin(377t)-1.5) ?
The solution to expand (311.13sin(377t))*(3sin(377t)-1.5) is 933.39sin^2(377t)-466.695sin(377t)