SOLUTION: Given cosθ={{{1/4}}} and 270� < θ < 360� degrees, find sin2θ exactly.

Question 965646: Given cosθ= and 270� < θ < 360� degrees, find sin2θ exactly.
Answer by Edwin McCravy(20063) (Show Source): You can put this solution on YOUR website!
Given cosθ= and 270� < θ < 360� degrees, find sin2θ exactly

Since , we draw x = numerator of , which is 1,
and r = the denominator of , which is 4. Since 270� < θ < 360�, θ is in
the 4th quadrant, we draw angle θ in the 4th quadrant like this, with the
red arc indicating angle θ:









Edwin

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SOLUTION: Given cos&#952;={{{1/4}}} and 270� < &#952; < 360� degrees, find sin2&#952; exactly.

SOLUTION: Given cosθ={{{1/4}}} and 270� < θ < 360� degrees, find sin2θ exactly.