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nadezda [96]
3 years ago
5

Use the triangle shown on the right to answer the question. According to the law on sines, which of the following statement(s) a

re true ? Check all that apply

Mathematics
2 answers:
lubasha [3.4K]3 years ago
4 0
<h2>Answer:</h2>

The statements which are true are:

  • a\sin B=b\sin A
  • \dfrac{a}{\sin A}=\dfrac{b}{\sin B}
  • \dfrac{b}{\sin B}=\dfrac{c}{\sin C}
<h2>Step-by-step explanation:</h2>

In Trigonometry, the Law of Sine relates the length of sides of a triangle to the angle of a triangle.

According to this law if a,b and c are the sides of a triangle and A,B and C  respectively are opposite angles to the side.

Hence, we have:

\dfrac{a}{\sin A}=\dfrac{b}{\sin B}=\dfrac{c}{\sin C}

i.e. we have:

\dfrac{a}{\sin A}=\dfrac{b}{\sin B}

This could also be given by:

a\sin B=b\sin A

\dfrac{b}{\sin B}=\dfrac{c}{\sin C}

Lelechka [254]3 years ago
3 0

Answer:

See below.

Step-by-step explanation:

The law of sines is usually written as a / sin A = b / sin b == c / sin C    where a is the side opposite angle A ,etc.

The first equation is true because it is obtained by cross multiplying

a / sin A = b / sin B,  therefore   b sin A = a sin B.

The second one is not true.

The third and fourth are both true.

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Answer:

The approximate temperature of the pan after it has been away from the heat for 9 minutes is 275.59°F.

Step-by-step explanation:

The formula for D, the difference in temperature between the pan and the room after t minutes is:

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Then the approximate temperature of the pan after it has been away from the heat for 9 minutes is:

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3 years ago
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