document.write( "Question 1037230: 5sin^2 90deg + 2cos^2 270deg - tan 360deg \n" ); document.write( "
Algebra.Com's Answer #651941 by ikleyn(52946)\"\" \"About 
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\n" ); document.write( "5sin^2(90°) + 2cos^2(270°) - tan(360°)
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\n" ); document.write( "\n" ); document.write( "sin(90°) = 1; cos(270°) = 0; tan(360°) = 0.\r
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\n" ); document.write( "\n" ); document.write( "Therefore, 5sin^2(90°) + 2cos^2(270°) - tan(360°) = 5*1 + 2*0 -0 = 5.\r
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