document.write( "Question 366938: (1 pt) Solve the following equation in the interval [0, 2pi ].
\n" ); document.write( "Note: Give the answer as a multiple of pi . Do not use decimal numbers. The answer should be a fraction or an integer. Note that pi is already included in the answer so you just have to enter the appropriate multiple. E.g. if the answer is pi/2 you should enter 1/2. If there is more than one answer enter them separated by commas. \r
\n" ); document.write( "\n" ); document.write( "2(sin(t))^2−sin(t)−1=0
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Algebra.Com's Answer #261553 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
2sin^2 - sin - 1 = 0
\n" ); document.write( "Sub x for sin(t)
\n" ); document.write( "(2x + 1)*(x - 1) = 0
\n" ); document.write( "x = 1/2, 1
\n" ); document.write( "sin(t) = 1/2, 1
\n" ); document.write( "t = pi/6, t = pi/4 (principal values)
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