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What is the value of x?        

 

4

4√3

8

8√3

Guest May 5, 2017

Best Answer 

 #1
avatar+4734 
+3

sin θ = opposite / hypotenuse

sin (60º) = x / 8

 

Multiply both sides by 8.

8sin(60º) = x

 

From looking at a unit circle, we can see that sin(60º) = √3 / 2, so..

8( √3 / 2 ) = x

 

4√3 = x

hectictar  May 5, 2017
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1+0 Answers

 #1
avatar+4734 
+3
Best Answer

sin θ = opposite / hypotenuse

sin (60º) = x / 8

 

Multiply both sides by 8.

8sin(60º) = x

 

From looking at a unit circle, we can see that sin(60º) = √3 / 2, so..

8( √3 / 2 ) = x

 

4√3 = x

hectictar  May 5, 2017

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