Answer:
b.
Step-by-step explanation:
Answer: 125 miles
if you do the math you will get the same answer.
Answer:
shrek or 43jaqhfh3hyuy8
Step-by-step explanation:
By using the rules:

We have proven the identity. Below you can follow the demonstration.
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</h3><h3>
How to prove the identity?</h3>
Here you need to remember two things:

Here we have the expression:

By using the first rule, we can rewrite:

By using the second rule, we can rewrite:

Now if we multiply and divide by cos(x), we get:

In this way, the identity was proven.
If you want to learn more about trigonometric identities:
brainly.com/question/7331447
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