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2 years ago

AD is the angle bisector of EAB. Solve for X

Mathematics

1 answer:

oksian1 [2.3K]2 years ago

6 0

Answer:

A) 5.76

Step-by-step explanation:

By angle bisector property of a triangle, we have:

$\frac{12}{10} = \frac{x}{4.8} \\ \\ \frac{12 \times 4.8}{10} = x \\ \\ x = \frac{57.6}{10} \\ \\ x = 5.76$

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Angle θ is in standard position. if sin(θ) = − 1 3 , and π < θ < 3π 2 , find cos(θ).

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<h3>What is trigonometry?</h3>

Trigonometry deals with the relationship between the sides and angles of a right-angle triangle.

Angle θ is in standard position.

If sin(θ) = − 1/3 , and π < θ < 3π/2

Then the angle will be

$\theta = \sin ^{-1}\dfrac{-1}{3}\\\\\theta = -19.47$

Then add 180 degrees, then we have

$\theta = -19.47 + 180\\\\\theta = 160.52$

Then the value of the cosine will be

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More about the trigonometry link is given below.

brainly.com/question/22698523

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