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3 years ago

5.

Mathematics

1 answer:

belka [17]3 years ago

6 0

Answer:

12 minutes

Step-by-step explanation:

6x3=18

5x1=5

18+5=23

35-23=12

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Θ is in Quadrant III and cos^2 0= 1/4

pychu [463]

I think you mean to say $\cos^2\theta=\dfrac14$ . If $\theta$ is in the third quadrant, then $\sin\theta$ and $\cos\theta$ . Recall that

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We expect $\sin\theta$ to be negative, so we take the negative root. We end up with

$\sin\theta=-\sqrt{1-\dfrac14}=-\dfrac{\sqrt3}2$

We also know to expect $\cos\theta$ , so

$\cos\theta=\pm\sqrt{\dfrac14}\implies\cos\theta=-\dfrac12$

By definition, we have

$\cot\theta=\dfrac{\cos\theta}{\sin\theta}$

and so

$\cot\theta=\dfrac{-\frac12}{-\frac{\sqrt3}2}=\dfrac1{\sqrt3}$

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3 years ago

Dave travels 300 miles in 1 hour and 40 minutes. What is Dave's rate of travel (speed) in piles per hour?

inysia [295]

300 miles in 1h 40m
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I hope this helps

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3 years ago

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Sindrei [870]

Answer:

the domain of the function is all real numbers less than or equal to 0

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2 years ago

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7

The answer is 7
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lutik1710 [3]

Answer:

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Step-by-step explanation:

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