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3 years ago

How do you find the exact cosine or sine value for each given measure of an angle?

Mathematics

1 answer:

Helen [10]3 years ago

5 0

Answer:

REMEMBER:

to find the sine, cosine on the unit circle:

cos a = coordinate value x

sin a = coordinate value of y

Step-by-step explanation:

I'm not sure y'all but i hopes this helps just a remember.

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Expand and simplify 3(x+2)+2(x-1)

lilavasa [31]

If you would like to expand and simplify 3 * (x + 2) + 2 * (x - 1), you can do this using the following steps:

3 * (x + 2) + 2 * (x - 1) = 3 * x + 3 * 2 + 2 * x - 2 * 1 = 5 * x + 6 - 2 = 5 * x + 4

The correct result would be 5 * x + 4.

3 0

3 years ago

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Factor 26r3s + 52r5 – 39r2s4. What is the resulting expression?

zheka24 [161]

Answer:

The Given Expression is

→ $26r^3s + 52r^5 -39r^2s^4\\13\times 2\times r\times r^2 \times s + 13\times 2\times 2\times r^2\times r^2\times r- 13 \times 3\times r^2\times s \times s^3\\\\\text{Taking out common factors}\\\\13r^2(2 rs + 2\times 2 r^3 -3 s^4)\\\\13r^2(2 r s+ 4 r^3 - 3 s^4)$

Option $13r^2(2 rs + 4 r^3 - 3 s^4)$ is correct option.

6 0

3 years ago

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Which of the following expressions is a polynomial?

miskamm [114]

Answer:

d is the answer i believe

Step-by-step explanation:

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3 years ago

What would the 'household hourly wage' need to be to make the 'necessary monthly income' in City C? Use 160 hours as the time wo

Troyanec [42]

Answer:

Step-by-step explanation:

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3 years ago

Are these triangles similar

Gre4nikov [31]

Answer:

Step-by-step explanation:

It's not similar because when aligning the values they don't match. 3 × 5 = 15 so that bottom line matches but when you do the same thing to the other line: 5 × 3 does not equal 9. There is no similarity between the two triangles.

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3 years ago