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iragen [17]
3 years ago
5

What is the relationship between the sine and cosine of complementary angles? a They are the same. b They are reciprocals. c The

re is no relationship d They equal 0.
Mathematics
1 answer:
yanalaym [24]3 years ago
6 0

Answer:

A. They are the same.

Step-by-step explanation:

The sine of any acute angle is equal to its cosine.

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The formula for the circumference of a circle is c= 2pi r, where r is the radius. Rearrange the formula to solve for our and sel
ratelena [41]

Answer:  r = C/(2pi)

This is the same as writing r = \frac{C}{2\pi}

=========================================================

Explanation:

pi is some number (approximately 3.14) which means 2pi is also some number (roughly 6.28)

Saying c = 2pi*r means we have 2pi times r, and the result is the circumference c. To isolate r, we'll undo the multiplication. We'll undo it by dividing both sides by 2pi like so

C = 2pi*r

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r = C/(2pi)

in which we can write it like r = \frac{C}{2\pi}

So whatever C is, we divide it over 2pi (aka roughly 6.28) to get the radius.

-----------------

Extra Info (Optional Section):

As an example, let's say the circumference of the circle is 628 feet. This means the distance around the circle is 628 feet. So C = 628 would lead to...

r = C/(2pi)

r = C/(6.28)

r = 628/(6.28)

r = 100

So the radius would be roughly 100 feet.

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3eighths - negitive 5 and 1 fourths
WITCHER [35]
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Step-by-step explanation:

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