3 years ago

Please help me with this problem

Mathematics

1 answer:

Zanzabum3 years ago

3 0

9.75 and 10.2 is most likely the answer because they are both in other answers

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Step-by-step explanation:

Let use the following trigonometric identities:

$\sin^{2}\theta = \frac{1-\cos 2\cdot \theta}{2} \\\cos^{2}\theta = \frac{1+\cos 2\cdot \theta}{2}$

Then, the equation is simplified by substituting its components:

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