2 years ago

The number of pets is shown for houses on four different streets. Which data set fits a normal distribution curve?

Mathematics

1 answer:

sammy [17]2 years ago

7 0

Answer:65454545

Step-by-step explanation:

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3 years ago

Use the trigonometric subtraction formula for sine to verify this identity: sin((π / 2) – x) = cos x

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Step-by-step explanation:

$sin (\frac{\pi}{2} - x) = cos x \\\\ sin (a - b) = sin a.cos b - sin b.cos a \\\\ sin (\frac{\pi}{2} - x) = sin \frac{\pi}{2}.cos x - sin x.cos \frac{\pi}{2} \\\\ sin \frac{\pi}{2} = 1; cos \frac{\pi}{2} = 0 \\\\ sin (\frac{\pi}{2} - x) = 1.cos x - sin x.0 \\\\ sin (\frac{\pi}{2} - x) = cos x$