document.write( "Question 772771: verify the identity and justify each step for tan Q + cot Q = 1/sin Q*cos Q
\n" ); document.write( "also for cos[Q-pi/2] = -tan Q
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Algebra.Com's Answer #471175 by lwsshak3(11628)\"\" \"About 
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verify the identity and justify each step for tan Q + cot Q = 1/sin Q*cos Q
\n" ); document.write( "also for cos[Q-pi/2] = -tan Q
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\n" ); document.write( "Start with left-hand side:
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\n" ); document.write( "verified:
\n" ); document.write( "left-hand side=right-hand side
\n" ); document.write( "note: Identity: sin^2Q+cos^2Q=1
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