SOLUTION: if sin A=2.511x, cos A=3.06x and sin 2A=3.939x, find the value of x?

SOLUTION: if sin A=2.511x, cos A=3.06x and sin 2A=3.939x, find the value of x?

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Question 770308: if sin A=2.511x, cos A=3.06x and sin 2A=3.939x, find the value of x?
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
if sin A=2.511x, cos A=3.06x and sin 2A=3.939x, find the value of x?
***
sin2A=2sinAcosA
3.939x=2*2.511x*3.06x=15.367x^2
15.367x^2-3.939x=0
x(15.367x-3.939)=0
x=0
or
x=3.939/15.367≈0.256
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