Recommended Questions
- साबित करें कि cos 10^(@) cos 30^(@) cos50^(@) cos70^(@) = (3)/(16)
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- cos10^(0)cos30^(0)cos50^(@)cos70^(0)
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- Prove that: cos 10^@cos30^@cos 50^@cos 70^@=3/(16)
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- Prove that: sin 80^0-cos 70^0=cos 50^0
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- Prove that cos10^(@)cos30^(@)cos50^(@)cos70^(@)=(3)/(16)
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- cos^(2)10^(@)+cos^(2)50^(@)-cos10^(@)cos50^(@) is equal to
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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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- यदि sin B = 1/2,"तो सिद्ध करें कि " 3 cos B - 4 cos^(3) B = 0
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