4 years ago

How to verify identities using sum and difference?

1 answer:

6 0

Use a sum or difference identity to find the exact value of cos without a calculator. to work this, we look at the 75° to see if its the sum or difference of any angles from our reference triangles.now plug in values from your reference triangles.

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yulyashka [42]

Answer:

$m=4$ or $m=\frac{4}{1}$

Step-by-step explanation:

To find slope we use the slope formula

$m=\frac{y_{2} -y_{1} }{x_{2} -x_{1} }$

Two points on the line we can classify are (3,4) and (4,8)

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2 years ago

a pet survey found that the ratio of dogs to cats is 2.5.which proportion shows the number of dogs if the number of cats is 140?

Zinaida [17]

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erastova [34]

Answer:

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Step-by-step explanation:

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BartSMP [9]

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4 years ago

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Savatey [412]

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