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Leni [432]
3 years ago
13

Find the exact solutions of the problem algebraically: tan 2x-cot x=0

Mathematics
1 answer:
Eva8 [605]3 years ago
5 0
Tan 2x - cot x = 0
2tan x / (1 - tan^2 x) - 1/tan x = 0
2tan^2 x - (1 - tan^2 x) = 0
2tan^2 x - 1 + tan^2 x = 0
3tan^2 x - 1 = 0
tan^2 x = 1/3
tan x = + or - 1/√3
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