Value of the expression `(sec1 1^(@)sec1 9^(@)-2cot7 1^(@))/tan11^(@)` is equal to

For any real number x ge 1 , the expression sec^(2) ( tan^(-1)x) - tan^(2) ( sec^(-1) x) is equal to

For any real number x ge 1 , the expression sec^(2) ( tan^(-1)x) - tan^(2) ( sec^(-1) x) is equal to

For any real number x ge 1 , the expression sec^(2) ( tan^(-1)x) - tan^(2) ( sec^(-1) x) is equal to

The value of the expression (1 +sec22^@ + cot 68^@)(1- cosec22^@+ tan68^@) is (1 +sec22^@ + cot 68^@)(1- cosec22^@+ tan68^@) व्यंजक का मान बताइए?

For any real number x ge 1 , the expression sec^(2)x ( tan^(-1)x) - tan^(2)x ( sec^(-1) x) is equal to

The value of (1+sec20^(@)+cot70^(@))(1-"cosec"20^(@)+tan70^(@)) is equal to

What is the expression (tan x )/( 1 + sec x) - (tan x)/( 1 - sec x) equal to ?

The value of sec ^(2) ( tan ^(-1) 3) + cosec ^(2) (cot ^(-1) 2) is equal to