The life expectancy of a circulating coin is 25 years. The life expectancy of a circulating dollar bill is only 1/20 as long. Fi
1 answer:
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Answer: B. .
Step-by-step explanation:
- In a right triangle, the ratios of its sides are called trigonometric ratios.
- The three common trigonometric ratios are the sine (sin), cosine (cos), and tangent (tan).
We have given , .
Then,
Put value of , we get
Now , as we know ,
Hence, the correct option is B. .