`cos(c o s e c^(- 1)13/12)`

Evaluate each of the following: tan("c o s e c"^(-1)(13)/5) (ii) tan("sec"^(-1)(13)/12) (iii) tan("cot"^(-1)(8)/15)

The value of cot(c o s e c^(- 1)5/3+tan^(- 1)(2/3))i s

Find the set of values of c o s e c^(-1)(-(1)/(2))

The solution set of the ineuality (c o s e c^(- 1)x)^2-2c o s e c^(- 1)xgeqpi/6(c o s e c^(- 1)x-2) is (-oo,a] uu [b,oo) , then (a+b) equals

Evaluate: sin(cos^(-1)3/5+cos e c^(-1)(13)/5)

Evaluate: sin(cos^(-1)3/5+cos e c^(-1)(13)/5)

Prove that 4(cot^(- 1)3+c o s e c^(- 1)sqrt(5))=pi

Find the principal value of "c o s e c"^(-1)(-2) .

Find the principal values of each of the following: (i) "c o s e c"^(-1)(-sqrt(2)) (ii) "c o s e c"^(-1)(-2)

Find the minimum value of (sec^(-1)x)^2+("c o s e c"^(-1)x)^2