Value of `(sin^2 2 0^(@)+cos^4 2 0^(@))/(sin^4 2 0^(@)+cos^2 2 0^(@))` is -

Evaluate (2cos4 0^(@)-cos2 0^(@))/(sin2 0^(@)

Find the value of (4sin^(2)60^(@)-cos^(2)45^(@))/(tan^(2)30^(@)+sin^(2)0^(@))

The value of (cos^(2)33^(0)-cos^(2)57^(0))/(sin21^(0)-cos21^(0)) is

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

What is the value of (tan^4 60^@-sin^4 90^@ ) - 2(tan^2 45^@ +3 cos ^2 0^@)

The values of cos^(2)73^(0)+cos^(2)47^(0)-sin^(2)43^(0)+sin^(2)107^(0) is equal to: ( b) (1)/(2)(c)(sqrt(3))/(2) (d) sin^(2)73^(@)+cos^(4)73^(@)

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

" The value of "(sin1^(0)+sin3^(0)+sin5^(0)+sin7^(0))/(cos1^(0)*cos2^(0)*sin4^(0))" is "