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ankoles [38]
3 years ago
15

Based on the diagram, what is sinA ? Enter your answer as a fraction in the boxes.

Mathematics
2 answers:
Step2247 [10]3 years ago
5 0

For this case, we have that by definition:

Sine (x) = \frac {Cathet \ opposite \ to \ angle \ x} {Hypotenuse}

In this case we are asked to find the expression as a function of angle A.

Observing the figure we have:

Sine (A) = \frac {a} {c}

In an equivalent way we have:

Sine (A) = \frac {BC} {BA}

ANswer:

Sine (A) = \frac {a} {c}\\Sine (A) = \frac {BC} {BA}

Leya [2.2K]3 years ago
3 0

Answer:

sinA = \frac{a}{c}

Step-by-step explanation:

sinA = \frac{opposite}{hypotenuse} = \frac{BC}{AB} = \frac{a}{c}

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