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Dmitry_Shevchenko [17]
2 years ago
9

Help me ASAP please!

Mathematics
1 answer:
ella [17]2 years ago
4 0

Answer:

∠1 and ∠3

∠6 and ∠8

∠5 and ∠7

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If the expression is expanded, what is the coefficient of x?
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Coefficient is equal to 12

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\qquad\qquad\huge\underline{{\sf Answer}}♨

As we know, slope (m) is equal to tan θ for a straight line :

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A worker can complete a piece of work in 30 days working 10
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For which value of theta is cot theta equal to cos theta?
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We can divide both sides of the last equation by cos \theta and we got:

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And if we apply arcsin in both sides we got:

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And the best solution would be:

C) pi/2

Step-by-step explanation:

For this case we want to solve the following equation:

cot \theta = cos \theta

And we know that by definition cot \theta = \frac{cos \theta}{\sin \theta}

And replacing we got:

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If we multiply by cross we got:

cos \theta = sin \theta cos \theta

We can divide both sides of the last equation by cos \theta and we got:

sin \theta = 1

And if we apply arcsin in both sides we got:

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And the best solution would be:

C) pi/2

8 0
2 years ago
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