`"co s ec"^(2)60^(@)+sec^(2)60-cot^(2)60^(@)+tan^(2)30^(@)` का मान क्या होगा ?

Evaluate : 3 cos^(2)60^(@)sec^(2)30^(@)-2 sin^(2)30^(@)tan^(2)60^(@)

(kcosec^(2)30^(@).sec^(2)45)/(8cos^(2)45^(@).sin^(2)60^(@))=tan^(2)60^(@)-tan^(2)30^(@) , then k = ?

The value of (sin^2 30^@+ cos^2 60^@- sec 35^@.sin^2 55^@)/(sec60^@+ cosec 30^@) is equal to: (sin^2 30^@+ cos^2 60^@- sec 35^@.sin^2 55^@)/(sec60^@+ cosec 30^@) का मान क्या होगा ?

The value of (5cos^2 60^@+4sec^2 30^@-tan^2 45^@)/(tan^2 60^@- sin^2 30^@-cos^2 45^@) is: (5cos^2 60^@+4sec^2 30^@-tan^2 45^@)/(tan^2 60^@- sin^2 30^@-cos^2 45^@) का मान क्या होगा ?

What is the value of cosec^2 30^@+sin^2 45^@+ sec^2 60^@+tan^2 30^@ ? cosec^2 30^@+sin^2 45^@+ sec^2 60^@+tan^2 30^@ का मान क्या है?

Calculate : sec^(2)60^(@)-cot^(2)30^(@)-(2tan30^(@)"cosec"60^(@))/(1+tan^(2)30^(@)) .

The value of (cosec 30^@-tan45^@) cot 60^@ tan30^@ is: (cosec 30^@-tan45^@) cot 60^@ tan30^@ का मान क्या है ?

Find the value of following expressions : (i) sec^(2)60^(@)cos^(2)45^(@)-cosec^(2)30^(@) (ii) (tan45^(@)cot^(2)60^(@)+tan^(2)30^(@)cot45^(@))/(sin30^(@)+cos60^(@))

Evaluate the following (sec^(2) 60^(@) -tan ^(2) 60^(@) )/( sin ^(2) 30^(@) +cos ^(2) 30^(@) )