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# I don't understand why the law of sines involves tangent?

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I don't understand why the law of sines involves tangent?

ISmellGood  Oct 22, 2017

#1
+5227
+1

We don't need to use the law of sines here, since it is a right triangle.

Remember, in a right triangle... tan θ  =  opposite / adjacent

Let's call the distance (in miles) from the boat to the dock  " d ".

tan 52°  =  d / 30       Multiply both sides by  30 .

30 tan 52°  =  d

hectictar  Oct 22, 2017
Sort:

#1
+5227
+1

We don't need to use the law of sines here, since it is a right triangle.

Remember, in a right triangle... tan θ  =  opposite / adjacent

Let's call the distance (in miles) from the boat to the dock  " d ".

tan 52°  =  d / 30       Multiply both sides by  30 .

30 tan 52°  =  d

hectictar  Oct 22, 2017
#2
+317
+2

AHAHAHA I always overthink things!

ISmellGood  Oct 22, 2017
#3
+6
0

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ashwin  Oct 23, 2017

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