1.

Solve tan x+tan 2x+tan 3x=tan x tan 2x tan 3x. OR prove that cotπ24=√2+√3+√4+√6.

Answer»

Solve tan x+tan 2x+tan 3x=tan x tan 2x tan 3x.

OR

prove that cotπ24=2+3+4+6.



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