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Alex73 [517]
3 years ago
5

Use the theorem below to answer the question. Suppose θ is an acute angle residing in a right triangle. If the length of the sid

e adjacent to θ is a, the length of the side opposite θ is b, and the length of the hypotenuse is c, then cos(θ) = a c and sin(θ) = b c . If θ = 13° and the side adjacent to θ has length 4, how long is the hypotenuse? (Round your answer to three decimal places.)
Mathematics
1 answer:
mr Goodwill [35]3 years ago
7 0

Answer:

c ≈ 4.105

Step-by-step explanation:

You want to find c in ...

cos(13°) = 4/c

Multiply the equation by c/cos(13°) and evaluate.

c = 4/cos(13°) ≈ 4.105

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amm1812
Is always easier to subtract or add fractions with the same denominator, so
6 2/5 is the same as 6  8/20 
I would suggest turning them both to improper fractions, 
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