document.write( "Question 795372: If 4sin(θ) = x for 0 < θ < π/2,find an expression for sin(2θ) in terms of x. \n" ); document.write( "

Algebra.Com's Answer #481273 by lwsshak3(11628) $\"\"$ $\"About$

You can put this solution on YOUR website!
If 4sin(θ) = x for 0 < θ < π/2,find an expression for sin(2θ) in terms of x.
\n" ); document.write( "***
\n" ); document.write( "4sin(θ) = x
\n" ); document.write( "2sin(θ) = x/2
\n" ); document.write( "..
\n" ); document.write( "sin(θ)=x/4
\n" ); document.write( "cos(θ)=√(1-sin^2(θ))=√(1-(x^2/16))
\n" ); document.write( "..
\n" ); document.write( "sin(2θ)=2sin(θ)cos(θ)=x/2*√(1-(x^2/16)) \n" ); document.write( "

\n" );