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3 years ago

30 points Please help ASAP

Mathematics

1 answer:

Maurinko [17]3 years ago

6 0

Answer:

It's A because

(2x^3-5x^2-28x+15):(x-2) =2x^2-x-30+

- 45/x-2

I hope it helped :)

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Answer:

$cos^2\theta + sin^2\theta = 1$

Step-by-step explanation:

Given

$(\frac{b}{r})^2 + (\frac{a}{r})^2$

Required

Use the expression to prove a trigonometry identity

The given expression is not complete until it is written as:

$(\frac{b}{r})^2 + (\frac{a}{r})^2 = (\frac{r}{r})^2$

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Having said that:

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$(\frac{b}{r})^2 + (\frac{a}{r})^2 = 1$

Substitute values for sin and cos

$(\frac{b}{r})^2 + (\frac{a}{r})^2 = 1$ becomes

$cos^2\theta + sin^2\theta = 1$

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Answer:

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Step-by-step explanation:

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