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 Topic: solve for t
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 Solve 8t-r=12t for t 2012-09-29 From Monejah:I need help solving 8t-r=12t for tAnswered by Penny Nom. Solve for theta if 8cos^2 theta-3=1 2011-12-02 From Katherine:Hi, I have just learned to solve trigonometric problems for theta and have one specific question in order to find the solutions to my homework. I will use one example for this question. If I have 8cos^2 theta-3=1 I first divide by 8 and get cos^2theta=3/8 then I have cos theta= plus or minus the square root of 3/8 Then I assume that I plug in inverse cos (the square root of 3/8) to my calculator. How do I find the four solutions (we are typically supposed to find four, I believe?) Can you help me with finding the solution to this problem? Thank you!Answered by Penny Nom.

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