Past Paper Errors Flashcards
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What is an irrational number
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A number that cannot be written as a fraction for example Pi or root 2
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There was a solution you used with tan theta which got you 4 marks out of 5. You got 4 solutions but only two of them are correct because the other two didn’t work in the original equation. To have to the final mark, check solution on calculator and reject the solutions that don’t go with it
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Don’t need to do part b, just use the equation and know that it has 2 roots, know the ranges
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A = 35. Find the limitation of the value of T
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Show that
Use substitution
Make u = 1 + costheta
Don’t make u = cos theta
The rest should be straight forward