Recommended Questions
- सिद्ध किजिए cos 80^(@) + cos 40^(@) - cos 20^(@)=0
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- cos 20^(@) cos 40^(@) cos 60^(@) cos 80^(@) = (1)/(16)
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- सिद्ध कीजिए कि cos 80^(@)+cos 40^(@)=cos 20^(@)
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- सिद्ध कीजिए कि cos 20^(@) cos 40^(@) cos 80^(@) = 1/8
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- cos 20^(@) cos 40^(@) cos 80^(@)=
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- The value of cos 20^(@) cos 40^(@)cos 60^(@) cos 80^(@) is equal to
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- cos 20^(@)* cos 40^(@) * cos 60^(@) * cos 80^(@) =
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- দেখাও যে, cos^2 40° cos^2 80° + cos^2 80° cos^2 20° + cos^2 20° cos^2 ...
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- Prove that cos 20^(@) cos 40^(@) cos 80^(@)=1/8
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