peach816 peach816

08-01-2018
Mathematics

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3 tan x cos x cot x = 3cosx. true or false?

Respuesta :

Аноним Аноним

08-01-2018

And the answer is false.

Answer Link

Аноним Аноним

08-01-2018

tan x = 1 / cot x

so tanx * cot x = 1/cot x * cotx = 1

so 3 tanx cos x cotx = 3 cos x * 1 = 3 cos x

True

Answer Link

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