document.write( "Question 756302: Simplify each trig expression into 1 term:
\n" ); document.write( "1.) sin(theta)+cos(theta)cot(theta)
\n" ); document.write( "2.)cos^2(theta)+tan^2(theta)cos^2(theta)\r
\n" ); document.write( "\n" ); document.write( "Verify each identity:
\n" ); document.write( "3.) sec(theta)sin(theta)cot(theta)=1
\n" ); document.write( "4.)csc^2(theta)-cot^2(theta)=1
\n" ); document.write( "5.)sin^2(theta)
\n" ); document.write( " ------------
\n" ); document.write( " 1-cos(theta) = 1+cos(theta)
\n" ); document.write( "

Algebra.Com's Answer #460115 by stanbon(75887)\"\" \"About 
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( "=====================
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