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3 years ago

Help me please what is the answer for this

Mathematics

1 answer:

seraphim [82]3 years ago

7 0

Answer:

15.4 Liters

Step-by-step explanation

1 kilometere x 2.2 liters = 2.2 liters

7 kilometeres x 2.2 liters = 15.4 liters

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If tan theta =3, find the value of tan theta + tan (theta+pi) + tan (theta +2pi)

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Answer:

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Step-by-step explanation:

Given

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Required

Find

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Calculate $tan(\theta + \pi) \ and\ tan(\theta+2\pi)$

Using tan rule

$tan(\theta + \pi) = \frac{tan\theta + tan\pi}{1 - tan\theta tan\pi}$

So:

$tan(\theta + \pi) = \frac{tan\theta + 0}{1 - tan\theta *0}$

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$tan(\theta+2\pi)$

$tan(\theta + 2\pi) = \frac{tan\theta + tan2\pi}{1 - tan\theta tan2\pi}$

$tan(\theta + 2\pi) = \frac{tan\theta + 0}{1 - tan\theta *0}$

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'So:

$tan\theta + tan(\theta + \pi) + tan(\theta+2\pi)$ $= tan\theta +tan\theta +tan\theta$

$tan\theta + tan(\theta + \pi) + tan(\theta+2\pi) = 3+3+3$

$tan\theta + tan(\theta + \pi) + tan(\theta+2\pi) = 9$

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Step-by-step explanation:

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