Recommended Questions
- cos 10^(@) cos 30^(@) cos 50^(@) cos 70^(@) =(3)/(16)
Text Solution
|
- cos ^ (2) 10 ^ (@) + cos ^ (2) 50 ^ (@) + cos ^ (2) 70 ^ (@) =
Text Solution
|
- The value of cos^(2)10^(@)-cos10^(@) cos 50^(@) + cos^(2) 50^(@) is
Text Solution
|
- cos 10^(@) cos 30^(@) cos 50^(@) cos 70^(@) =(3)/(16)
Text Solution
|
- साबित करें कि cos 10^(@) cos 30^(@) cos50^(@) cos70^(@) = (3)/(16)
Text Solution
|
- मूल्यांकन कीजिए| (i) sin 50^(@) cos 10 ^(@)+ cos 50^(@) sin 10 ^(@)...
Text Solution
|
- सिद्ध करें कि cos^(2)10^(@)+cos^(2)20^(@)+cos^(2)30^(@)+cos^(2)40^(...
Text Solution
|
- Prove that cos 50 = 16 cos^(5)theta - 20 cos^(3) theta + 5 cos theta
Text Solution
|
- cos 10^(@) cos 30^(@) cos 50^(@) cos 70^(@) =
Text Solution
|