Recommended Questions
- cos 20^@ cos 40^@ cos 80^@=
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- cos 20^(@) cos 40^(@) cos 60^(@) cos 80^(@) = (1)/(16)
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- साबित करें कि tan 20^(@) tan 40^(@) tan 60^(@) tan 80^(@) = 3 [ Hin...
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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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- Prove that cos^(2)40^(@)cos^(2)80^(@)+cos^(2)80^(@)cos^(2)20^(@)+cos^(...
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