If `cos^(-1)(cos x)=(n-x)/n,xge0`, has seven roots, then find values of n.

The equation 3x^(2)-12x+(n-5)=0 has equal roots. Find the value of n.

lim_(x->0)(1-sqrt(cos2x)*root(3)(cos3x).....root(n)(cosnx))/x^2 has value 10 then value of n equal to

lim_(x->0)(1-sqrt(cos2x)*root(3)(cos3x).....root(n)(cosnx))/x^2 has value 10 then value of n equal to

lim_(x->0)(1-sqrt(cos2x)*root(3)(cos3x).....root(n)(cosnx))/x^2 has value 10 then value of n equal to

If ("cos"(x-y))/("cos"(x+y))=m/n , then write the value of t a n x\ t a n ydot

The equation 3x^(2)-12x+(n-5)=0 has repeated roots. Find the value of of n.

The equation 3x^(2)-12x+(n-5)=0 has repeated roots. Find the value of of n.

If lim_(x rarr0)(1-cos x*cos2x*cos3x...cos nx)/(x^(2)) has the value equal to 263, find the value of n ( where n in N)

If Sigma_(i=1)^(2n) cos^(-1) x_(i) = 0 ,then find the value of Sigma_(i=1)^(2n) x_(i)

If Sigma_(i=1)^(2n) cos^(-1) x_(i) = 0 ,then find the value of Sigma_(i=1)^(2n) x_(i)