Recommended Questions
- .यदि sin A=(sin x+sin y)/(1+sin x-sin y) है,तो सिद्ध कीजिए कि cos A=(c...
Text Solution
|
- If (sin x) (sin y) = 1, then (cos x) (cos y) =?
Text Solution
|
- Draw the graph of following function y = cos ^ (- 1) (cos x) y = sin ^...
Text Solution
|
- If cos^4x/cos^2y+sin^4x/sin^2y=1 then prove that cos^4y/cos^2x+sin^4y/...
Text Solution
|
- cos x + cos y = (1) / (3), sin x + sin y = (1) / (4) rArr sin (x + y)
Text Solution
|
- If sin x + sin y = (7) / (5) and cos x + cos y = (1) / (5) then sin (x...
Text Solution
|
- Prove that : (sin (x+y))/(sin (x-y) )= (sin x. cos y + cos x . Sin y)/...
Text Solution
|
- |[cos(x+y),-sin(x+y),cos2y],[sin x,cos x,sin y],[-cos x,sin x,-cos y]|...
Text Solution
|
- If cos x+ cos y = 1//3 , sin x + sin y=1//4 " then " cos (x+y)=
Text Solution
|