document.write( "Question 407203: Differentiate y=sin(theta) from first principle \n" ); document.write( "
Algebra.Com's Answer #287331 by richard1234(7193)\"\" \"About 
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\"dy%2Fd%28theta%29+=+cos%28theta%29\". The derivation comes from the basic definition of the derivative which is what the other tutor did, but you'll go a long way memorizing the derivatives of standard trigonometric functions. \n" ); document.write( "
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