Question

Asked Nov 22, 2019

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Why should I use the law of cosine to solve this rather than the law of sines?

Step 1

Consider the distance from airport A to B is 540 miles in the direction of N-350E and distance from airport B to C is 390 miles in the direction of S-350E. Now, for the finding the distance from the airport A to C is calculated by use cosine rule because in the provided situation the when form the diagram of the respective problem observe that the triangle is formed and, in this triangle, there are two side and one angle is provided.

Step 2

Now draw the diagram for respective problem.

Step 3

According to Cosine Rule...

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