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3 years ago

In the triangle ABC, B is the right angle. If sin A = 8/17, what is cos C?

Mathematics

1 answer:

nlexa [21]3 years ago

5 0

<h3>Answer: 8/17</h3>

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Explanation:

The rule is

If A+C = 90, then sin(A) = cos(C). We could also say cos(A) = sin(C).

I recommend drawing out the picture of what's going on. See below.

sin(A) = 8/17 has the opposite side 8 over hypotenuse 17.

cos(C) = 8/17 has 8 as the adjacent side now. The hypotenuse stays the same.

So that's why sin(A) = cos(C).

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A 40-foot ladder is leaning against a building and forms a 29.32° angle with the ground. How far away from the building is the b

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Answer:

Step-by-step explanation:

The set up forms a right angle triangle with the length of the ladder being the hypotenuse and the angle of elevation is 29.32°. USing SOH, CAH TOA to determine the distance of the building from the base of the ladder.

The distance we are looking fir will be the adjacent. According to CAH.

cos29.32°= x/40

x = 40cos29.32°

x = 34.88feet (to the nearest hundredth)

The ladder is 34.88feet away from the building

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vesna_86 [32]

Answer:

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Step-by-step explanation:

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After 3.5 hours ,Pasha had traveled 217 miles

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4 years ago

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2 years ago

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Answer:

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m = slope

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y = (x , y)

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2 years ago

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