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svp [43]
3 years ago
8

What is Cot(x) / cos(x) ?

Mathematics
1 answer:
lutik1710 [3]3 years ago
8 0

Answer:

cosecx

Step-by-step explanation:

\frac{cotx}{cosx}  \\  =  \frac{1}{tanx}  \div cosx \\  = (1 \div  \frac{sinx}{cosx} ) \div cosx \\  =  \frac{cosx}{sinx}  \times  \frac{1}{cosx}  \\  =  \frac{1}{sinx}  \\  = cosecx

Note that:

tanx =  \frac{sinx}{cosx}

cotx =  \frac{1}{tanx}  =  \frac{cosx}{sinx}

cosecx =  \frac{1}{sinx}

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Step-by-step explanation:

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When there are multiple instances of the calculations to be done, it is convenient to let a spreadsheet do them. The results are attached.

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<em>Additional comment</em>

The more "cube-like" the prism is, the less area it will have for the same volume. Here, package B is more "cube-like" than package A. (The ratio of largest-to-smallest dimensions is smaller for package B.)

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