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KonstantinChe [14]
2 years ago
10

Can someone please hurry and finish this question please!!!! Will give brainliest

Mathematics
2 answers:
Svetlanka [38]2 years ago
8 0

Answer: ill take one for you john

Step-by-step explanation:

natulia [17]2 years ago
6 0

Answer:

2b. R line is lower.

2c. It is lower because the y-intercept is negative.

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Double angle identity for sine:

\sin(2x) = 2 \sin(x) \cos(x)

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Factorize the left side.

2 \sin(\theta) - 2 \sin(\theta) \cos^2(\theta) = 2 \sin(\theta) \left(1 - \cos^2(\theta)\right)

Pythagorean identity:

\cos^2(x) + \sin^2(x) = 1

\implies 2 \sin(\theta) \left(1 - \cos^2(\theta)\right) = 2 \sin^3(\theta)

so that

\boxed{2 \sin(\theta) - \sin(2\theta) \cos(\theta) = 2 \sin^3(\theta)}

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