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3 years ago

Name 4 units of length in the customary measurement system

Mathematics

2 answers:

Vedmedyk [2.9K]3 years ago

6 0

Inch, foot, yard, mile...

Hope this helps lol I think Im correct if not then Im sorry xD

scoray [572]3 years ago

6 0

To measure length, we use inches, feet, yards, miles and so on.

<u>Conversion factors for length</u>

12 inches = 1 foot

3 feet = 1 yard

5,280 feet = 1 mile

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gizmo_the_mogwai [7]

Answer:

See below.

Step-by-step explanation:

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Convert the cotangent to cosine over sine:

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Use the cofunction identities. The cofunction identities are:

$\sin(x)=\cos(\frac{\pi}{2}-x)\\\cos(x)=\sin(\frac{\pi}{2}-x)$

To convert this, factor out a negative one from the cosine and sine.

$\frac{\cos(-(\frac{\pi}{2}-x ))}{\sin(-(\frac{\pi}{2}-x))} =-\tan(x)$

Recall that since cosine is an even function, we can remove the negative. Since sine is an odd function, we can move the negative outside:

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