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