document.write( "Question 734965: what is the exact value of cos 450 \n" ); document.write( "

Algebra.Com's Answer #852688 by ikleyn(53427) $\"\"$ $\"About$

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document.write( "450°  is  360°  plus  90°.\r\n" );
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document.write( "Therefore, cos(450°) is the same as cos(90°), which is 0 (zero)>\r\n" );
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document.write( "ANSWER.  cos(450°) = cos(90°) = 0 (zero).\r\n" );
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\n" ); document.write( "\n" ); document.write( "Ignore the post by @lynnlo, since everything is wrong there.\r
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