Britton has 50 favorite songs. He listens to 10 songs at random. Determine the probability the 10 songs he listens to contains 2
1 answer:
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We know that the law of sines states that:
For simplicity, let:
In triangle A1BC this leads to:
Therefore:
Now, triangle A2BC is isosceles which means that both the base angles are equal, since angle CA1B and A2A1B are supplementary we have:
