Question

$\tan ( \frac { 2 \pi } { 3 } + x ) \tan ( \frac { 2 \pi } { 3 } - x ) = \frac { 2 \cos 2 x + 1 } { 2 \cos 2 x - 1 }$
prove that​

Answer 1

Answer:

sorry not understand your question

Answer 2

Answer:

i hope ans is correct

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Step-by-step explanation:

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