Find the least value of the expression `3sin^(2)x+4 cos^(2)x`.

Find the least value of the expression x^(2) + 4y^(2) + 3z^(2) - 2x - 12y -6z + 14

If L denotes the least value of the expression y=9sec^(2)x+16cos ec^(2)x and M denotes the maximum value of the expression y=sin^(2)x+8cos x-7, find the value of (L+M).

The least value of the expression y=(1)/((3sin^(2)x + 3 sin x cos x + 7 cos ^(2)x)) is equal to

Find the least value of e^(sin x-2sin^(2)x)

Find the general value of x if the expression (sin ""(x)/(2) + cos"" (x)/(2) + itan x)/( 1 + 2isin "" (x)/(2)) is real .

find the value of expression (sin2x)/(1+cos2x) is:

The least value of 3 sin x-4 cos x+7 is

Find the least positive value of x satisfying (sin^(2)2x+4sin^(4)x-4sin^(2)x cos^(2)x)/(4)=(1)/(9)

the least positive value of x satisfying ( sin^(2) 2x + 4 sin^(4) x - 4 sin^(2) x cos^(2) x )/ 4 = 1/9 is