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2(3sec2 20 sin2 10)1/3

The expression above can be expressed in the form a + bsec 20. Find a and b.
(No Solution Yet, 0 Comments) Submitted on 2018-04-22 by Danish Ahmed Khan    


Solve to get the unique answer.
(Solution Posted, 2 Comments) Submitted on 2018-04-21 by Ady TZIDON    

A tetrahedron with five edges of unit length is inscribed in a unit sphere. How long is the sixth edge?
(No Solution Yet, 2 Comments) Submitted on 2018-04-20 by Danish Ahmed Khan    

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