" 34.Prove that "|sin theta sin(60-theta)sin(60+theta)|<=(1)/(4)" for all values of "theta

Prove that: |sin theta sin(60-theta)sin(60+theta)|<=(1)/(4) for all values of theta

Prove that: |sintheta."sin"(60-theta).sin(60+theta)|lt=1/4 for all values of theta .

Prove that sin theta sin(60^(@)-theta) sin(60^(@)+theta)=1/4 sin3theta .

Prove that sin theta sin(60^(@)-theta) sin(60^(@)+theta)=1/4 sin3theta .

Prove that abs(sinthetasin(60^@-theta)sin(60^@+theta)) le1/4 for all values of theta .

Prove that sinthetasin(60^(@)+theta)sin(60^(@)-theta)=1/4sin3theta Hence deduce that sin20^(@)sin40^(@)sin60^(@)sin80^(@)=3//16 (OCT-97,INST.93)

Prove that : sin 2 theta= 2sin theta cos theta .

Prove that: 4sin theta sin(theta+(pi)/(3))sin(theta+(2 pi)/(3))=sin3 theta

Prove that : (sin theta + 2 sin 3theta + sin 5theta)/(sin 3theta + 2 sin 5theta + sin 7theta) = (sin 3theta)/(sin 5theta)

Prove that 4 sin theta sin(pi/3 + theta) sin (pi/3-theta) = sin 3 theta