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If tan 3A * tan 2A = 1 then what is the value of À?

If tan 3A * tan 2A = 1 then what is the value of À?

Grade:10

1 Answers

Arun
25750 Points
6 years ago
Dear Soniya
 
tan 3A * tan 2A = 1
 
sin 3A sin2A = cos 3A cos 2A
Sin 3A sin2A - cos 3A cos 2A = 0
sin (3A -2A) = 0
 Sin A = 0
 Hence
 
A = 0°
 
Regards
Arun (askIITians forum expert)

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