3sin60^(@)-4sin^(3)60

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

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

(sin60^(@)+sin30^(@))/(sin60^(@)-sin30^(@))=(tan60^(@)+tan45^(@))/(tan60^(@)-tan45^(@))

If sin x sin(60^(@)-x)sin(60^(@)+x)=(1)/(4) ,then x=

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

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

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)=1/4sinA