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

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

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

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

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

If sin A sin (60^(@)-A)sin(60^(@)+A)=ksin3A , then what is k equal to ?

Prove that: sinA.sin(60^(@)+A).sin(60^(@)-A)=1/4sin3A

Prove that: sinA.sin(60^(@)+A).sin(60^(@)-A)=1/4sinA

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

If sin A sin (60^@-A)sin(60^@+A)=k sin 3A , then what is k equal to?

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

Prove that 4sinAsin(60^@-A)sin(60^@+A)-sin3A=0