Mathematics
Mathematics, 31.01.2020 17:43, evelin2318

Prove:

(2(tan x - cot x) / (tan^2 x - cot^2 x} = sin (2x)

answer
Answers: 1

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Prove:

(2(tan x - cot x) / (tan^2 x - cot^2 x} = sin (2x)...

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