`(sin^2 3 0^(@)-cos^2 3 0^(@))/(sin^2 3 0^(@)+cos^2 3 0^(@))=`

cos4 0^(@)+cos2 0^(@))=3(cos1 0^(@)+sin2 0^(@)) 40 CUSOUcos 40^@ + cos 20O 4(cos310^@ + sin320^@) = 3(cos 10^@ + sin20^@)N3.1 = 4

Evaluate: int _0^((pi)/(2)) (sin ^(2) x .cos ^(2) x )/((sin ^(3) x+ cos ^(3) x)^(2)) dx

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

(cos^(2)1^(0)-cos^(2)2^(0))/(2sin3^(0)*sin1^(0)) is equal to

Solve 2 cos^2 x-3 sin x=0

int_(0)^((pi)/(2))sin^(2)x cos^(3)xdx=

sin^(6)A+cos^(6)A+3sin^(2)A cos^(2)A=0 b.1c2d.3

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

sin^(2)x+2sin x cos x-3cos^(2)x=0 if