if cot theta + cot (π/4+ theta) =2 then which of the following is the general value of theta (1) 2nπ+-π/6. (2) 2nπ+-π/3. (3) nπ+-π/6. (4) nπ+-π/3
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xjxjdjxccjc xjxjdjxccjc xjxjdjxccjc
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