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Question

If x=300, then tan2x=2tanx1tan2x.
If true enter 1 else 0.

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Solution

Given: x=300,
To Prove: tan2x=2tanx1tan2x
L.H.S: tan2x=tan60o=3
R.H.S: 2tanx1tan2x
=2tan30o1tan230o
=2(13)1(13)2
=2(13)23
=3
Thus, L.H.S.=R.H.S

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