Question

What is the value of cotx/cotx-cot3x + tanx/tanx-tan3x?

Answer 1

Final Answer : 1

Steps:
1) put cotx = 1/ tan x
and cot3x = 1/tan(3x)

2)
$\frac{ \cot(x) }{ \cot(x) - \cot(3x) } + \frac{ \tan(x) }{ \tan(x) - \tan(3x) }$
Now, see pic for Calculation process.

Answer 2

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Here is your answer

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