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

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

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

For the principal values, evaluate the following: (1) cot^(-1)(-1)+cos e c^(-1)(-sqrt(2))+s e c ^(-1)(2) (2) cot^(-1)(-sqrt(3))+tan^(-1)(1)+sec^(-1)(2/(sqrt(3)))

For the principal values, evaluate the following: cot^(-1)(-1)+cos e c^(-1)(-sqrt(2))+s e c s^(-1)(2)

For the principal values, evaluate the following: cot^(-1)(-1)+cos e c^(-1)(-sqrt(2))+s e c s^(-1)(2) cot^(-1)(-sqrt(3))+tan^(-1)(1)sec^(-1)(2/(sqrt(3)))

Find the principal values of " (1) c o s e c"^(-1)(2) and "c o s e c"^(-1)(-2/(sqrt(3)))

Prove that : cot^-1 3 + cosec^-1 sqrt5 = pi/4

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 principal values of each of the following: (i) "c o s e c"^(-1)(2/(sqrt(3))) (ii) "c o s e c"^(-1)(2cos(2/3pi))

Find the principal values of each of the following: (i) "c o s e c"^(-1)(2/(sqrt(3))) (ii) "c o s e c"^(-1)(2cos(2/3pi))