`2cos x + sin x = 1`, then find the sum of all possible values of `7 cos x + 6 sin x`.

The sum of all possible values of cot x for which 9sin x+2cos x=6, is

If 2cos x+sin x=1, then find the value of 7cos x+6sin x

If cos^(-1)x=sin^(-1)3x, then sum of all possible values of x

For a in R,cos alpha cos x+sin y>=sin xAA x in R then find the sum of the possible value(s) of sin alpha+sin y

If x = 7.5^(@) then find the value of (cos x - cos 3x)/(sin 3x - sin x)

If "cos"^(-1)x> "sin"^(-1)x , then the set of all values of x is

If sin(sin x+cos x)=cos(cos x-sin x) then the largest possible value of sin x, is

Find the sum of all possible values of x satisfying arc cos((2)/(pi) arc cos x)=arc sin((2)/(pi) arc sinx) .

If sin x+cos x=a, find the value of |sin x-cos x|