" Find the extreme values of "(i)cos2x+cos^(2)x.quad (i)3sin^(2)x+5cos^(2)x

Find the extreme values of cos 2x+cos^2x

Find the extreme values of 3sin^(2)x+5cos^(2)x .

Find the maximum and minimum values of (i) cos 2x + cos^(2)x (ii) cos^(2) ((pi)/(4)+x)(sin x- cos x)^(2)

Find the extreme values of 11 cos^(2) x+ 15 sin x cos x- 9 sin^(2) x .

The extreme values of cos x cos((2pi)/(3)+x)cos((2pi)/(3)-x) is

I=int(sin^(2)x-cos^(2)x)/(sin^(2)x*cos^(2)x)dx

Find the extreme values of the following function over R. (i) sin^(2) (60^(0) + x) + sin^(2) (60^(0) - x) (ii) cos (x+ (Pi)/(3) ) + 2sqrt(2) sin (x+ (pi)/(3))-3 (iii) 3 sin^(2) x+ 5 cos^(2) x (iv) cos 2 x+ cos^(2) x (v ) cos x cos ((2pi)/(3) + x) cos ((2pi)/(3)-x)

Find the maximum value of abs((sin^2x,1+cos^2x,cos2x),(1+sin^2x,cos^2x,cos2x),(sin^2x,cos^2x,sin2x))