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

asked Jan 13, 2019 142k views

5 votes

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4 votes

And the answer is false.

ZackDeRose answered Jan 14, 2019

6.1k points

1 vote

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

Lstor answered Jan 17, 2019

by Lstor

6.0k points

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