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Jlenok [28]
3 years ago
9

Below is an equation being solved.

Mathematics
1 answer:
Fudgin [204]3 years ago
5 0

Answer:

There are no errors

Step-by-step explanation:

The math is correct

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Solve completely (all missing sides and all missing angles) using trig ratios or laws. Round to the nearest tenth.
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Step-by-step explanation:

3. Use Cosine law to find the  length of the unknown side (PR)

q² = p² +  r² - 2prCos Q

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r is the opposite sides of ∠R ; r = 67

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To find the angle use law of sin

\sf \dfrac{q}{Sin \ Q} =\dfrac{p}{Sin \ P}\\\\\\\dfrac{37.1}{Sin \ 19}=\dfrac{33}{Sin \ P} \\\\\\\dfrac{37.1}{0.33}=\dfrac{33}{Sin \ P}\\\\\\37.1* Sin \ P = 33 *0.33\\\\Sin \ P =\dfrac{33*0.33}{37.1}

Sin P = 0.3

P = Sin^{-1} 0.3\\

P = 17.5°

∠R = 180 - (19 + 17.5)

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