The value `cos 30^@.cos 60^@ - sin 30^@.sin 60^@` is:

The value of sin30^@ cos^2 60^@ + cos30^@ sin^2 60^@ is equal to

The value of sin 60^@ cos 30^@-cos 60^@ sin30^@ is: sin 60^@ cos 30^@-cos 60^@ sin30^@ का मान है:

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 cos^2 45^@+sin^2 30^@- sin^2 60^@ is equal to: cos^2 45^@+sin^2 30^@- sin^2 60^@ का मान किसके बराबर है?

The valiue of sin60^(@) cos 30^(@) + sin 30^(@)cos 60^(@) is ______.

The value of (cos 0^(@) + sin 45^(@) + sin 30^(@)) (sin 90^(@) - cos 45^(@) + cos 60^(@)) is

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

The value of (sin^2 30^@+ cos^2 60^@+ sec 45^@.sin^2 45^@)/(sec60^@+ cosec 30^@) is : (sin^2 30^@+ cos^2 60^@+ sec 45^@.sin^2 45^@)/ (sec60^@+ cosec 30^@) का मान ज्ञात करें:

Value of (sin30^@ + cos 30^@) - (sin60^@ + cos60^@) is _____