Home
Class 14
MATHS
[" 20.If "cos x+sin x=sqrt(2)cos x," the...

[" 20.If "cos x+sin x=sqrt(2)cos x," then "(cos x-sin x)" is equ "],[" to "],[[" (a) "-sqrt(2)cos x," (b) "sqrt(2)sin x],[" (c) "(1)/(sqrt(2))quad x," (d) "(1)/(sqrt(2))]]

Promotional Banner

Similar Questions

Explore conceptually related problems

If cos x+sin x=sqrt(2)cos x, prove that that cos x-sin x=sqrt(2)sin x

If sin x + cos x = sqrt(2) , then sin x cos x is equal to

sqrt(sin 2x) cos 2x

sqrt(sin 2x) cos 2x

sin x+cos x=sqrt(2)sin5x

If sin x+sin y=sqrt(3)(cos y-cos x) then (sin3x)/(sin3y)=

If sin x+cos x=sqrt(2)cos alpha rArr x=

If sin x + sin y = sqrt (3) (cos y-cos x), then sin3x + sin3y =

int((sin x+cos x)/(sqrt(sin2x))dx