document.write( "Question 755369:  cos(0 + pi)=
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document.write( "(a) -cos0
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document.write( "(b) -sin0
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document.write( "(c) cos0
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document.write( "(d) sin0
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document.write( "(e) cos20
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document.write( " 
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document.write( "(All of the 0 have a horizontal line straight through them. I forget what it is called. )  \n" );
document.write( "
| Algebra.Com's Answer #459640 by lwsshak3(11628)      You can put this solution on YOUR website! cos(0 + pi)= \n" ); document.write( "(a) -cos0 \n" ); document.write( "(b) -sin0 \n" ); document.write( "(c) cos0 \n" ); document.write( "(d) sin0 \n" ); document.write( "(e) cos20 \n" ); document.write( "*** \n" ); document.write( "cos(x+π)=-cosx (ans.(a)) \n" ); document.write( " \n" ); document.write( " |