If `theta` lies in 3rd quadrant, then the value of the expression `sqrt(4sin^4theta+sin^2 2theta)+4cos^2(pi/4-theta/2)` is equal to

If theta lies in 3rd quadrant,then the value of the expression sqrt(4sin^(4)theta+sin^(2)2 theta)+4cos^(2)((pi)/(4)-(theta)/(2)) is equal to

Find the values of the following expression. (3-4sin^2theta)/cos^2theta+tan^2theta

The value of the expression 2(sin^(6)theta+cos^(6)theta)-3(sin^(4)theta+cos^(4)theta)+1 is

sin^2theta+cos^4theta=cos^2theta+sin^4theta

sqrt(4cos^(4)theta+sin^(2)2 theta)+4cos^(2)((pi)/(2)+(0)/(2))

If theta in the first quadrant and 5 tan theta =4 " then " ( 5 sin theta - 3 sin theta)/( sin theta + 2 cos theta) is equal to

If sin theta=-(4)/(5) and theta lies in third quadrant, then the value of cos((theta)/(2)) is

The value of (sin2 theta+sin4 theta)/(1+cos2 theta+cos4 theta) is equal to