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

ISmellGood  Oct 22, 2017

Best Answer 

 #1
avatar+7164 
+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        smiley

hectictar  Oct 22, 2017
 #1
avatar+7164 
+1
Best Answer

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        smiley

hectictar  Oct 22, 2017
 #2
avatar+314 
+2

AHAHAHA I always overthink things!laugh

ISmellGood  Oct 22, 2017
 #3
avatar+3 
0

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ashwin  Oct 23, 2017

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