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Problem Of The Week #486 October 11th 2021

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anemone

MHB POTW Director
Staff member
Feb 14, 2012
3,937
Here is this week's POTW:

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Evaluate $\dfrac{1}{\sin 6^{\circ}}+\dfrac{1}{\sin 78^{\circ}}-\dfrac{1}{\sin 42^{\circ}}-\dfrac{1}{\sin 66^{\circ}}$.

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Remember to read the POTW submission guidelines to find out how to submit your answers!
 
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