Let `f(theta)=1/(1+(tantheta)^(2013))` then value of`sum_(theta=1^(@))^(8 9^(@))f(theta)` equals

f(theta)=(1)/(1+(tan theta)^(2013)), then value of sum_(theta=1^(@))^(89^(@))f(theta) equals

Let f (theta)=(1)/(1+(tan theta)^(2021)) , then the value of sum_(theta=1^(@))^(89^(@))f(theta) is equal to

Let f (theta)=(1)/(1+(tan theta)^(2021)) , then the value of sum_(theta=1^(@))^(89^(@))f(theta) is equal to

Let f(theta)=(1)/(1+(cottheta)^(x))andS=sum_(theta=1^(o))^(89^(@))f(theta) . Then the value of sqrt(2S-8) =

Let f(theta)=1/(1+(cottheta)^x)and S=sum_(theta=1^@)^(89^@) f(theta) , then the value of S is _________ .

Let f(theta)=1/(1+(cottheta)^2) , and S=sum_(theta=1^0)^(89^0)f(theta), then the value of sqrt(2S-8) is___________

Let f(theta)=1/(1+(cottheta)^2) , and S=sum_(theta=1^0)^(89^0)f(theta), then the value of sqrt(2S-8) is___________

Let f(theta)=1/(1+(cottheta)^x) , and S=sum_(theta=1^0)^(89^0)f(theta), then the value of sqrt(2S-8) is___________

Let f(theta)=(1)/(1+(cot theta)^(x)), and S=sum_(theta=1)^(89)f(theta) then the value of sqrt(2S-8) is

If tantheta+(1)/(tantheta)=2 then the value of tan^(2)theta+(1)/(tan^(2)theta) is equal to :