17-01-2021
Mathematics

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Write sin (4theta) in terms of sin (2theta) and cos (2theta).

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Adetunmbiadekunle Adetunmbiadekunle

22-01-2021

Answer:

2 sin 2 theta cos 2 theta

Step-by-step explanation:

Mathematically;

sin (4theta) = sin (2theta + 2theta)

Using the sine addition rule

That would be;

sin 2 theta cos 2 theta + sin 2 theta cos 2 theta

= 2 sin 2 theta cos 2 theta

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