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

If cos A=3/4 then the value of 2 sin(A/2) sin((5A)/2) is.............. A) (sqrt11)/(16) B) -(sqrt11)/(16) C) (11)/(16) D) -(11)/(16)

If cos A = 3/4 then the value of 32sin( A/2)* sin (5A/2) is_____.

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

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 16cos^(2)((A)/(2))-32sin((A)/(2))sin(5(A)/(2)) is

If 3 sin A+5 cos A =5, then the value of (3 cos A-5 sin A )^(2) is

If 3 sin A+5 cos A =5, then the value of (3 cos A-5 sin A )^(2) is................. A) 4 B) 5 C) 2 D) 9

If x = 4 cos A + 5 sin A and y = 4 sin A - 5 cos A, then the value of x^(2) + y^(2) is:

If 3 tan A = 4, then the value of (3 sin A + 2 cos A)/(3 sin A - 2 cos A) is: