document.write( "Question 1089326: Which of the following confunctions is/are true?
\n" ); document.write( "A)sin(90°-x)=Cos(x)
\n" ); document.write( "B)cos(90°-x)=sin(x)
\n" ); document.write( "C)tan(90°-x)==cot(x)
\n" ); document.write( "D) all of the above
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Algebra.Com's Answer #703675 by ikleyn(52781)\"\" \"About 
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