document.write( "Question 834386: Find all values of θ in radians with -2π < θ < 2π such that cos(θ) = -1/2 \n" ); document.write( "

Algebra.Com's Answer #502981 by lwsshak3(11628) $\"\"$ $\"About$

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Find all values of θ in radians with -2π < θ < 2π such that cos(θ) = -1/2
\n" ); document.write( " $\"cos%28theta%29=-1%2F2\"$
\n" ); document.write( " $\"theta%29\"$ =-4π/3,-2π/3,2π/3,4π/3 (in quadrants II and III in which cos<0) \n" ); document.write( "

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