Evaluate :
` (2( sin ^ 2 60 ° + cos ^2 60 °)) / (tan^ 2 45 ° - cos ^2 90 ° + sin 90°)`

Evaluate : 4(sin^4 30^0+cos^4 60^0)-2/3(sin^2 60^0-cos^2 45^0)+1/2tan^2 60^0

Evaluate the following (i) sin 60^@ cos30^@ + sin 30^@ cos 60^@ (ii) 2tan^2 45^@ + cos^2 30^@ - sin^2 60^@ (iii) (cos45^@)/(sec30^@ + c o s e c 30^@) (iv) (sin30^@ + tan45^@ - c o s e c 60^@ )/(sec30^@ + cos60^@ +cot45^@) (v) (5cos^2 60^@ + 4sec^2 30^@ - tan^2 45^@ )/ (sin^2 30^@ + cos^2 30^@ )

Evaluate : 14 sin 30^(@)+6cos 60^(@)-5tan 45^(@)

Evaluate : 14 sin 30^(@)+6cos 60^(@)-5tan 45^(@)

Evaluate the following: 4(sin^4 60o+cos^4 30o)-3(tan^2 60o-tan^2 45o)+5cos^2 45o (ii) (cos e c^2 45osec^2 30o)(sin^2 30o+4cot^2 45o-sec^2 60o)

Evaluate : sin ^(2)60^(@)tan 45^(@)- cos^(2)45^(@)sec 60^(@)

Find the value of : sqrt((1- sin ^(2) 60 ^(@))/(1- cos ^(2) 60^(@)))

Evaluate : [{:(,4 sin 30^@ 2 cos 60^@), (,sin 90^@ 2 cos 0^@):}] [{:(,4,5),(,5,4):}]

Evaluate : (tan45^(@))/(2sin30^(@)-cos60^(@))

Evaluate (2tan45^@ xx cos 60^@)/sin30^@