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3 years ago

5

If there are 48 boys and 32 girls in a room filled out all of the possible ratios of boys to girls that could be made there are

48boys for every 32 girls

1 answer:

expeople1 [14]3 years ago

6 0

Answer:48 to 32 48:32 48/32

Step-by-step explanation:

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Evaluate the following trigonometric expression, using the principal value for the cosine

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Given:

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To find:

The value of given expression.

Solution:

We have,

$\tan (\cos ^{-1}(-\dfrac{1}{2}))$

$=\tan (\pi-\cos^{-1}(\dfrac{1}{2}))$ $[\because \cos^{-1}(-\theta)=\pi -\cos^{-1}\theta]$

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$=\tan (\pi-\dfrac{\pi}{3})$

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