document.write( "Question 461859: what is the integration of : radical (1-y^2)
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Algebra.Com's Answer #316725 by richard1234(7193)\"\" \"About 
You can put this solution on YOUR website!
Presuming you mean\r
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\n" ); document.write( "\n" ); document.write( "Then you should make the substitution y = sin u. Then, dy = cos u du and we can substitute y and dy:\r
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\n" ); document.write( "\n" ); document.write( " by the Pythagorean identity. Applying the power reduction identity,\r
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\n" ); document.write( "\n" ); document.write( "Since u is the inverse sine of y,\r
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\n" ); document.write( "\n" ); document.write( "I'll let you simplify the second term (use some trig for this!).
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