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Alinara [238K]
3 years ago
8

Help ASAP!!! Identify the correct trigonometry formula to use to solve for x.

Mathematics
2 answers:
cestrela7 [59]3 years ago
8 0

Answer:

The answer is option 2.

Step-by-step explanation:

You have to apply Cosine Rule, cosθ = adjacent/hypotenuse. Then, you have to substitute the values into the formula :

cos(θ) =  \frac{adj.}{hypo.}

let \: θ = 55

let \: adj. = 11

let \: hypo. = x

cos(55) =  \frac{11}{x}

Alex787 [66]3 years ago
4 0

Answer:

cos(55) = 11/x

Step-by-step explanation:

We have the hypotenuse (x) and an angle adjacent to 55 (11). The only trigonometric formula that uses adjacent and hypotenuse is cosine (adjacent/hypotenuse), so that will be your answer.

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