Solve the following equation for A, if 3 A = 1 - Vidyadip

Question

Solve the following equation for $A,$ if $\tan 3 A = 1$

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Answer

$\tan 3 A = 1$
$\tan 3 A = \tan 45^\circ $
$3 A = \tan 45^\circ $
$A = 15^\circ $

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