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yanalaym [24]
3 years ago
11

ANSWER PLEASE

Mathematics
2 answers:
shusha [124]3 years ago
7 0

Answer: cos R and sin N

Step-by-step explanation:

tiny-mole [99]3 years ago
6 0
The easiest way to get this problem correctly is by calculating the sines and cosines of all the angles in the choices then choosing the correct choice.

sin <span>∠MQP = sin(56) = 0.829
cos </span><span>∠N = cos(56) = 0.559
sin </span><span>∠R = sin(34) = 0.559
sin </span><span>∠N = sin(56) = 0.829
cos </span><span>∠N = cos(56) = 0.559
sin </span><span>∠M = sin(90) = 1
cos </span><span>∠R = cos(34) = 0.828

Based on these findings, it is obvious that sin </span>∠MQP is equal to cos ∠R and sin <span>∠N.
Thus, the correct choice is "d".</span>
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The distance between two locations, A and B is calculated using a third location C at a distance of 15 miles from
Rufina [12.5K]
<h3>Answer:  approximately 6.3 miles</h3>

=================================================

Explanation:

See the diagram below. The two given angles B = 105 and C = 20 are used to help find angle A

A+B+C = 180

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A+125 = 180

A = 180-125

A = 55

Then we use the law of sines to find the side length c

sin(A)/a = sin(C)/c

sin(55)/15 = sin(20)/c

c*sin(55) = 15*sin(20) ... cross multiply

c = 15*sin(20)/sin(55)  .... divided both sides by sin(55)

c = 6.26294249724791 .... value is approximate

c = 6.3 ....... rounding to one decimal place

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Step-by-step explanation:

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Read 2 more answers
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Answer? .............................
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