document.write( "Question 415178: Prove the identity\r
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Algebra.Com's Answer #291101 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!


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document.write( "   |MULTIPLYING each term by cosx(1 + sinx)
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document.write( "   |sinx^2 + cosx^2 = 1
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document.write( "        1+ 2sinx + 1 = 2 + 2sinx
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document.write( "        2 + 2sinx = 2 + 2sinx\r
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