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24 November, 20:47

Let alpha be an angle in the quadrant 3 such as cos alpha - 5/6 what are csc alpha and cot alpha?

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  1. 24 November, 21:50
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    Cos=x/r [Sec = r/x] Sin=y/r [Csc = r/y] Tan=y/x [Cot = x/y]. x^2 + y^2 = r^2. these are the formulas you need. - 5^2 = 25 6^2=36 36-25 = 11. - sqrt11 is your y. so CSC alpha is - sqrt11/6 and COT alpha is - 5/-squareroot11.
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