If `x=sin1,y=sin2,z=sin3` then

" If "sin x+sin y+sin z+sin w=4," then "sin^(2019)x+sin^(2020)y+cos^(2021)z+cos^(2020)w

if,sin^(-1)x+sin^(-1)y+sin^(-1)z=pi then prove that x sqrt(1-x^(2))+y sqrt(1-y^(2))+z sqrt(1-z^(2))=2xyz

If sin x+sin y+sin z=3. Find the value of cos x+cos y+cos z

If sin^(-1)x+sin^(-1)y+sin^(-1)z=pi then the value of xsqrt(1-x^(2))+ysqrt(1-y^(2))+zsqrt(1-z^(2))

If x sin a+y sin2a+z sin3a=sin4ax sin b+y sin2b+z sin3b=sin4bx sin c+y sin2c+z sin3c=sin4c, then the roots of the equation t^(3)-((z)/(2))t^(2)-((y+2)/(4))t+((z-x)/(8))=0,a,b,c,!=n piare(a)sin a,sin b,sin c(b)cos a,cos b,cos c(b)sin2a,sin2b,sin2c(d)cos2a,cos2b cos2c

If sin y=x sin(a+y), then (dy)/(dx) is (a) (sin a)/(sin a sin^(2)(a+y))(b)(s in^(2)(a+y))/(sin a)(c)sin a sin^(2)(a+y)(d)(sin^(2)(a-y))/(sin a)

If cos x+2cos y+3cos z=sin x+2sin y+3sin z=0 then the value of sin3x+8sin3y+27sin3z is :

If sin x+sin y+sin z+sin w=-4, then the value of sin^(400)x+sin^(300)y+sin^(200)z+sin^(100)w is sin^(400)x sin^(300)y sin^(200)z+sin^(100)wsin x sin y sin z sin w4(d)3

lf_ (cos x + cos y-cos z = 0 = sin x + sin y + sin) then cos ((xy) / (2)) =