<u>Let's consider all the trig identities, to help us with the problem:</u>
⇒ <em>(look at the attached image for help with that)</em>
<em />
<u>After looking at all the trig identity, let's look at the problem given to us</u>:
⇒ cos(θ) =
⇒ we know that sec(θ) = 1 / cos(θ) = 1 / (5/13) = 13/5
<u>Thus</u>: sec(θ) = 13/5, which just so happens to be Choice (D)
<u>Answer:</u> <u>sec(θ) = 13/5</u> or <u>Choice (D)</u>
<u></u>
Hope that helps!
<u />
Answer:
x = 42.9 m
Step-by-step explanation:
Corresponding sides of similar triangles MAB and MNP are proportional. This means ...
x/MP = MA/MN
However, we don't have a number for MA yet, so we need to find it.
MA +AN = MN
MA = MN - AN subtract AN
MA = 67.2 m - 32 m = 35.2 m
Now, we can use this to find x.
x = MP · (MA/MN) = (81.9 m) · 35.2/67.2
x = 42.9 m
Answer:
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