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Qn #1979
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If $(1+\tan1^\circ)(1+\tan2^\circ)\cdots(1+\tan45^\circ)=2^n$, then the value of $n$ is
A.
$21$
B.
$22$
C.
$23$
D.
$24$
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❓ Question: If $(1+\tan1^\circ)(1+\tan2^\circ)\cdots(1+\tan45^... | TANCET Group Studies | Tancet Group Studies