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OpenStudy (maheshmeghwal9):
Plz help:)
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OpenStudy (maheshmeghwal9):
OpenStudy (maheshmeghwal9):
I want only hints:)
OpenStudy (cwrw238):
the identity tan2x = 2tanx / ( 1 - tan^2x) might help with the first problem
OpenStudy (anonymous):
its absolutely correct
OpenStudy (maheshmeghwal9):
& what to do of 2nd one?
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OpenStudy (anonymous):
Find out
OpenStudy (maheshmeghwal9):
LOL how?
OpenStudy (anonymous):
Think about it in terms of complex numbers.
OpenStudy (anonymous):
^^ For the second one. (De'moivre's theorum) :)
OpenStudy (maheshmeghwal9):
Thanx guys:)
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