If `sin^3x+cos^3x+3sinxcosx-1=0` then find `x`

If sin^(3)x+cos^(3)x+sin x cos x-1=0, then find x

If sin^(3)x cos3x+cos^(3)x sin3x=(3)/(8), then the value of sin4x is (1)/(2)(b)1(c)-(1)/(2)(d)0

" Let " =|{:(cos x,,sin x,,cosx),( cos 2x,,sin 2x,,2cos 2x),(cos 3x,,sin 3x,,3cos 3x):}| then find the values of f(0) and f' (pi//2) .

" Let " =|{:(cos x,,sin x,,cosx),( cos 2x,,sin 2x,,2cos 2x),(cos 3x,,sin 3x,,3cos 3x):}| then find the values of f(0) and f' (pi//2) .

" Let " =|{:(cos x,,sin x,,cosx),( cos 2x,,sin 2x,,2cos 2x),(cos 3x,,sin 3x,,3cos 3x):}| then find the values of f(0) and f' (pi//2) .

If sin x - 3 sin 2x + sin 3x = cos x - 3 cos 2x + cos 3x then x =

" Let f(x) " =|{:(cos x,,sin x,,cosx),( cos 2x,,sin 2x,,2cos 2x),(cos 3x,,sin 3x,,3cos 3x):}| then find the values of f' (pi//2) .

If (sinx-cosx)= 0 then find (sin^3 x- cos^3x)

Evaluate the int(sin^3x+cos^3x)/(sin^2x cos^2x)dx

"Let f(x) "=|{:(cos x" " sin x" " cos x),(cos 2x" "sin 2x" "2cos 2x),(cos 3x" "sin 3x" "3cos 3x):}|" Then find the vlue of "f'(0) and f'(pi//2).