tan 3x = (3 tan x - tan^3 x)/(1-3 tan^2 x)
Saluranedukasion 2024-03-20T00:17:00
tan 3x = (3 tan x - tan^3 x)/(1-3 tan^2 x)
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tan 3x = (3 tan x - tan^3 x)/(1-3 tan^2 x)