document.write( "Question 1062978: What is the value of cos−1 ⁡(−√2/2) in Quadrant II?\r
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Algebra.Com's Answer #678011 by MathTherapy(10552) $\"\"$ $\"About$

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What is the value of cos−1 ⁡(−√2/2) in Quadrant II?\r
\n" ); document.write( "\n" ); document.write( " cos−1⁡ (−√2/2)= __________°
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In the 1st quadrant: 
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document.write( "In the 2nd quadrant, where cos < 0, the reference angle of 
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document.write( "Converting  to, radians, we get:  \n" );
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