document.write( "Question 756302: Simplify each trig expression into 1 term:
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document.write( "1.) sin(theta)+cos(theta)cot(theta)
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document.write( "2.)cos^2(theta)+tan^2(theta)cos^2(theta)\r
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document.write( "Verify each identity:
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document.write( "3.) sec(theta)sin(theta)cot(theta)=1
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document.write( "4.)csc^2(theta)-cot^2(theta)=1
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document.write( "5.)sin^2(theta)
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document.write( " ------------
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document.write( " 1-cos(theta) = 1+cos(theta) \n" );
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Algebra.Com's Answer #460115 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Simplify each trig expression into 1 term: \n" ); document.write( "1.) sin(theta)+cos(theta)cot(theta) \n" ); document.write( "---- \n" ); document.write( "sin(x) + cos(x*(cos/sin) \n" ); document.write( "---- \n" ); document.write( "= (sin^2(x) + cos^2(x))/sin(x) = 1/sin(x) = csc(x) \n" ); document.write( "======================================================= \n" ); document.write( "2.)cos^2(theta)+tan^2(theta)cos^2(theta) \n" ); document.write( "---- \n" ); document.write( "cos^2(x) + [sin^2(x)/cos^2(x)*cos^2(x)] \n" ); document.write( "---- \n" ); document.write( "= cos^2(x) + sin^2(x) \n" ); document.write( "----- \n" ); document.write( "= 1 \n" ); document.write( "======================================================= \n" ); document.write( " \n" ); document.write( "Verify each identity: \n" ); document.write( "3.) sec(theta)sin(theta)cot(theta)=1 \n" ); document.write( "(1/cos)*sin)(cos/sin) = 1 \n" ); document.write( "Cancel all factors common to numerator and denominator: \n" ); document.write( "1 = 1 \n" ); document.write( "======================== \n" ); document.write( "4.)csc^2(theta)-cot^2(theta)=1 \n" ); document.write( "(1/sin^2 - [cos^2/sin^2] = 1 \n" ); document.write( "--- \n" ); document.write( "(1-cos^2)/sin^2 = 1 \n" ); document.write( "--- \n" ); document.write( "sin^2/sin^2 = 1 \n" ); document.write( "1 = 1 \n" ); document.write( "======================== \n" ); document.write( "5.) [sin^2(x)/(1-cos(x)] = (1+cos(x) \n" ); document.write( "------- \n" ); document.write( "Cross-multiply to get: \n" ); document.write( "sin^2 = (1-cos)(1+cos) \n" ); document.write( "--- \n" ); document.write( "sin^2 = 1-cos^2 \n" ); document.write( "--- \n" ); document.write( "sin^2 = sin^2 \n" ); document.write( "====================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "===================== \n" ); document.write( " \n" ); document.write( " |