" 10.If "sum_(i=1)^(n)cos theta_(i)=n," then the value of "sum_(i=1)^(n)sin theta_(i)

If sum_(i)^(n)cos theta_(i)=n, then the value of sum_(i=1)^(n)sin theta_(i)

If sum_(i=1)^(2n)cos^(-1)x_i=0 then find the value of sum_(i=1)^(2n)x_i

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

sum_(i=1)^(n)cos theta_(i)=n then sum_(i=1)^(n)sin theta_(i)

If sum_(i=1)^(2n)sin^(-1)x_(i)=n pi then find the value of sum_(i=1)^(2n)x_(i)

If sum_(i=1)^(2n) sin^-1x_i = npi then find the value of sum_(i = 1)^(2n) x_i

If i^(2)=-1 then the value of sum_(n=1)^(200)i^(n) is

For any n positive numbers a_(1),a_(2),…,a_(n) such that sum_(i=1)^(n) a_(i)=alpha , the least value of sum_(i=1)^(n) a_(i)^(-1) , is

For any n positive numbers a_(1),a_(2),…,a_(n) such that sum_(i=1)^(n) a_(i)=alpha , the least value of sum_(i=1)^(n) a_(i)^(-1) , is

if sum_(i=1)^(n)a_(i)=0, where |a_(i)|=1,AA i then the value of sum_(1