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Use Sin Cos Tan to find the indicated angle ​

Use Sin Cos Tan to find the indicated angle ​-example-1
User Doval
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2 Answers

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Use Pythagoras theorem:
It can be used in any right triangle
User Inquisitor Shm
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Angle = arcsin(10/39) ≈ 14.9°
User Ivotron
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