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babunello [35]
3 years ago
7

1/4+1/2= find the solution

Mathematics
1 answer:
valentinak56 [21]3 years ago
6 0
Answer:

3/4

explanation:

convert 1/2 to have the same denominator as 1/4. 1/2 times 2= 2/4. 2/4+1/4=3/4
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andre [41]

The value of \sin(2\theta) is -\frac {-4\sqrt 3 }9

<h3>Sine ratio </h3>

The sine ratio is given as:

\sin(\theta) = \frac23

<h3>Trigonometry</h3>

In trigonometry, we have the following ratio

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

Substitute \sin(\theta) = \frac23 in the above equation

\frac 23 + \cos^2(\theta) = 1

Collect like terms

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So, we have:

\cos(\theta) =-\frac {\sqrt 3 }3

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\sin(2\theta) = 2\sin(\theta)\cos(\theta)

So, we have:

\sin(2\theta) = 2\times \frac 23 \times -\frac {\sqrt 3 }3

\sin(2\theta) =  -\frac {-4\sqrt 3 }9

Hence, the value of \sin(2\theta) is -\frac {-4\sqrt 3 }9

Read more about trigonometry ratios at:

brainly.com/question/10417664

7 0
2 years ago
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