document.write( "Question 415771: How would you prove: tanAsinA+cosA=secA?? \n" ); document.write( "
Algebra.Com's Answer #291413 by ewatrrr(24785)\"\" \"About 
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\n" ); document.write( "Hi
\n" ); document.write( "tanAsinA+cosA=secA
\n" ); document.write( "\"%28sinA%2FcosA%29sinA+%2B+cosA+=+%281%2FcosA%29\" |multiplying thru with cosA
\n" ); document.write( "\"%28sinA%2AcosA%2FcosA%29sinA+%2B+cosA%2AcosA+=+%281cosA%2FcosA%29\"
\n" ); document.write( "\"sinA%5E2+%2B+cosA%5E2+=+1\"
\n" ); document.write( " \"+1+=+1\" \n" ); document.write( "
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