If `cos^(-1)((1)/(sqrt(5)))=theta`, then what is the value of `"cosec"^(-1)(sqrt(5))` ?

If cos^(-1)((1)/(sqrt5))=theta , then what is the value of cosec^-1(sqrt5)?

The value of cos^(-1)((sqrt(5)-1)/4)=

What is the principle value of "cosec"^(-1)(-sqrt(2)) ?

What is the prinicple value of cosec^(-1)(-sqrt2) ?

cot^(-1)3+cosec^(-1)sqrt(5)=

If cos^(-1) (1/(5sqrt(2)))= theta find the value of sin theta and cot theta

If cosec theta-cot theta=(1)/(sqrt3) ,where theta ne 0 then what is the value of cos theta ?

If tantheta=sqrt((1)/(13))and theta is acute , then what is the value of ((cosec^(2)theta-sec^(2)theta))/(cosec^(2)theta+sec^(2)theta)) ?

4(cot^(-1)3+csc^(-1)sqrt(5))=pi