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sweet [91]
3 years ago
11

Find the area of the shaded region below. 12 cm < 8 cm 3 cm 5 cm

Mathematics
1 answer:
Zina [86]3 years ago
4 0

Answer:

36 cm^2

Step-by-step explanation:

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First, tan(<em>θ</em>) = sin(<em>θ</em>) / cos(<em>θ</em>), so if cos(<em>θ</em>) = 3/5 > 0 and tan(<em>θ</em>) < 0, then it follows that sin(<em>θ</em>) < 0.

Recall the Pythagorean identity:

sin²(<em>θ</em>) + cos²(<em>θ</em>) = 1

Then

sin(<em>θ</em>) = -√(1 - cos²(<em>θ</em>)) = -4/5

and so

tan(<em>θ</em>) = (-4/5) / (3/5) = -4/3

The remaining trig ratios are just reciprocals of the ones found already:

sec(<em>θ</em>) = 1/cos(<em>θ</em>) = 5/3

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faltersainse [42]

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2 years ago
What is the greatest common factor of the terms in the excerpt 21 x -18 x + 28 x y
Mandarinka [93]
X(21-18+28y). axis the greatest common factor
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Answer:

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Step-by-step explanation:

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