Grade 11General Physics
1 Answer
Vikas TU
(tan x)×(tan 2x) = 1.
or tan x = 1/(tan 2x) =cot 2x.
or tan x = tan (pi/2 -2x).
or x = n.pi +(pi/2–2x).
or x+2x= (n+1/2).pi.
or 3x = (2n+1).pi/2.
or x = (2n+1).pi/6.
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