If `cosA=(3)/(4)`, then what is the value of `sin((A)/(2))sin((3A)/(2))`?

If cos A = 3//4 . then what is the value of sin ((A)/(2))sin((3A)/(2)) ?

If cos A=(3)/(4) then the value of sin((A)/(2))sin((5A)/(2)) is

If cosA=3//4 , then find the value of 32 sin((A)/(2))sin((5A)/(2)) .

What is the value of ((sinA-2sin^(3)A))/((2cos^(3)A-cosA)) ?

Consider a DeltaABC in which CosA+CosB+CosC=sqrt(3)Sin""(pi)/(3) What is the value of Sin((A)/(2))Sin((B)/(2))Sin((C)/(2))

If cos A =3/4 then, the value of sin ""A/2sin ""(5A)/(2) is-

What will be the value of 3sin30^(@)-4sin^(3)30^(@) ?

If sinA-cosA=(sqrt(3)-1)/(2) , then the value of sin A . cos A is

If cosec A =(13)/(12) then find the value of (2 sin A-3 cos A)/(4 sin A-9 cosA)