1.

Let x,y be real numbers such that xcos239∘=tan26∘cot39∘tan86∘cos78∘tan34∘ and ycos81∘=cos36∘−sin36∘. Then the value of x+y2 is

Answer»

Let x,y be real numbers such that xcos239=tan26cot39tan86cos78tan34 and ycos81=cos36sin36. Then the value of x+y2 is



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