Several worked example problems that point out mistakes students usually make when solving them.
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Pauls Online Math Notes
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The perfect study site for high school, college students and adult learners. Get help to do your homework, refresh your memory, prepare for a test, ....
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SOS math
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Step-by-step solutions to odd-numbered problems from dozens of precalculus textbooks.
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Hotmath
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A plane flies 500 kilometers with a bearing of N 44 W from Naples to Elgin (see figure). The plane then flies 720 kilometers from Elgin to Canton. Find the bearing of the flight from Elgin to Canton (BE CAREFUL!) (APPROX)
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Tutor.com
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An overview of basic definitions and formulas.
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Mathematics Articles by Stan Brown
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If sins= -3/7, xE [pi,3pi/2], find exact values for sin2x and cos2x.
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Tutor.com
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I have to verify the identity: cos^2(theta) ((sec^2(theta)-1).I started but I got stuck.
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Tutor.com
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Which of the following statements are true? (i) the law of sines should be used when ASA is given. (ii) the law sines should be used when SAS is given. (iii) the law of sines should be used when AAA is given.
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Tutor.com
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graph funcion y=5/2 sin(x-2pi/3) graph and plot all x-intercepts, minima and maxima within one period
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Tutor.com
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