2 years ago

In the diagram, Find y.

Mathematics

1 answer:

alexandr402 [8]2 years ago

4 0

Answer: 30

Explanation: You would want to set up your problem like:

5/10 = 15/y

Then use the butterfly method.

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c about 120

Step-by-step explanation:

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Your friend claims that it is possible to draw a right triangle where the cosine of either angle (theta) is exactly the same val

avanturin [10]

Answer:

B. No

$Cos \ \theta\neq Cos (90-\theta)\textdegree$

Step-by-step explanation:

-A right angle triangle has two complimentary acute angles and one right angle.

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$Sin \ \theta=Cos \ (90-\theta)\textdegree\\\\Cos \ \theta=Sin(90-\theta)\textdegree\\\\\therefore Cos \ \theta\neq Cos (90-\theta)\textdegree$

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Hence, she's not correct.

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