सिद्ध कीजिए: (cos x + cosy)^(2) + (sin x...

सिद्ध कीजिए: `(cos x + cosy)^(2) + (sin x - siny)^(2) = 4 cos^(2)(x+y)/2`

सिद्ध कीजिए: (cos x + cosy)^(2) + (sin x - siny)^(2) = 4 cos^(2)(x+y)/...
Text Solution
|
(cos x+ cos y)^(2)+(sin x- sin y)^(2)=4 cos^(2)""(x+y)/(2)
Text Solution
|
सिद्ध कीजिये : (cos x + cosy)^(2)+(sin x -siny)^(2) = 4 cos^(2)((x+y)...
Text Solution
|
यदि sin theta+cos theta=x, तो सिद्ध कीजिए कि sin^(6)theta+cos^(6)thet...
Text Solution
|
If (cos x)/(cosy)=n and (sinx)/(siny)=m, what is the value of (m^(2)...
Text Solution
|
( cos x - cosy)^(2) + (sin x - sin y )^(2) बराबर है -
Text Solution
|
Given, x cos^(3)y + 3x cosy sin^(2)y =14 and xsin^(3)y + 3x cos^(2)y s...
Text Solution
|
If sinx+cosy=(1)/(3) and cos x+siny=(3)/(4), then the value of tan((x-...
Text Solution
|
व्यंजक cosy cos((1)/(2)pi -x)-cos((1)/(2)pi-y)cosx+siny cos ((1)/(2)pi...
Text Solution
|