If `sin6^@ sin42^@ sin54^@ sin66^@ sin78^@ = (sqrta+b)/c ,a,b,c in N` where `b & c` are relatively prime, then value of `(a + b + c)` is

If sin6^(@)sin42^(@)sin54^(@)sin66^(@)sin78^(@)=(sqrt(a)+b)/(c),a,b,c in N where b&c are relatively prime,then value of (a+b+c) is

sin6^(@)sin42^(@)sin66^(@)sin78^(@)=

Find sin6^(@)sin42^(@)sin66^(@)sin78^(@) .

If sin6^(@)sin54^(@)sin66^(@)=(lambda sqrt(a)-b)/(c)a,b,c,lambda in Q^(+), then

If the value of the expression sin 25^@* sin 35^@* sin 85^@ can be expressed as (sqrta+sqrt b)/c where a,b,c N and are in their lowest form, find the value of (a+b+c)

If the value of the expression sin 25^@* sin 35^@* sin 85^@ can be expressed as (sqrta+sqrt b)/c where a,b,c N and are in their lowest form, find the value of (a+b+c)

If the value of the expression sin 25^@* sin 35^@* sin 85^@ can be expressed as (sqrta+sqrt b)/c where a,b,c N and are in their lowest form, find the value of (a+b+c)

sin78^(@)-sin66^(@)-sin42^(@)+sin6^(@) is

The value of sin 78^@ - sin 66^@ - sin 42^@ + sin 6^@ is