`(cos1 0^(@)+sin1 1^(@))/(cos1 0^(10)-sin1 1^(@))=tan5 6^(@)`

Let x=sin1^(@) , then the value of the expression (1)/(cos 0^(@).cos 1^(@))+(1)/(cos 1^(@).cos 2^(@))+(1)/(cos 2^(@),cos3^(@))+……..+(1)/(cos 44^(@).cos45^(@)) is equal to

Let x=sin1^(@) then find the value of the expression (1)/(cos0^(@)cos1^(@))+(1)/(cos1^(@)cos2^(@))+...+(1)/(cos44^(@)cos45^(@))

Find the value of sin^(-1)(sin2011^(0))+cos^(-1)(cos2011^(0))+tan^(-1)(tan2011^(0))

" The value of "(sin1^(0)+sin3^(0)+sin5^(0)+sin7^(0))/(cos1^(0)*cos2^(0)*sin4^(0))" is "

Let x=sin1^(0), then the value of the expression.(1)/(cos0^(0)cos1^(0))+(1)/(cos1^(0)cos2^(0))+(1)/(cos2^(0)cos3)+(1)/(cos44^(0)cos45^(@)) is equal to (a) x (b) (1)/(x) (c) (sqrt(2))/(x) (d) (x)/(sqrt(2))

If xepsilon(0,1) and f(x)=sec{tan^(-1)((sin(cos^(-1)x)+cos(sin^(-1)x))/(cos(cos^(-1)x)=sin(sin^(-1)x)))} , then sum_(r=2)^(10)f(1/r) is

If x in (0,1) and f(x)=sec{tan^(-1)((sin(cos^(-1)x)+cos(sin^(-1)x))/(cos(cos^(-1)x)+sin(sin^(-1)x)))} , then sum_(r=2)^(10)f(1/r) is _______ .

Find the value of sin^(-1) (sin 5) + cos^(-1) (cos 10) + tan^(-1) {tan(-6)} + cot^(-1) {cot(-10)}

The value of tan {sin^(-1)(cos(sin^(-1)x))} tan{cos^(-1) (sin(cos^(-1)x))} x in (0,1) a)0 b)1 c)-1 d)None of these

If [sin^-1x]+[cos^-1x]=0, where x is a non negative real number and [.] denotes the greatest integer function, then complete set of values of x is - (A) (cos1 ,1) (B) (-1, cos1) (C) (sin1 , 1) (D) (cos1 , sin1)