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sin 3A = 4 sin A sin (60^(@) –A) sin ...

`sin 3A = 4 sin A sin (60^(@) –A) sin (60^(@) +A)`

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Prove that sin 3 A = 4 sin A sin (60° - A ) sin (60°+ A).

Prove the following : 4 sin A sin (60^@ + A) sin (60^@ - A) = sin 3A .

4sinA.sin(60^(@)+A)sin(60^(@)-A)=sin3A

4sinA.sin(60^(@)+A)sin(60^(@)-A)=sin3A

If A=30^(@) , show that : sin3A=4sinAsin(60^(@)-A)sin(60^(@)+A)

Show that 4 sin A sin (60^(@)+A). Sin (60^(@)-A) =sin 3A

If A=30 ^(@) then show that sin ( 60 ^(@) +A) - sin (60 ^(@) - A) = sin A

Show that 4sinAsin(60^(@)+A).sin(60^(@)-A)=sin3A .

Value of sin(60^@+x) + sin(60^@ - x)= ?