सिध्द कीजिए कि : cos^(3) theta+ cos^(3)...

सिध्द कीजिए कि : `cos^(3) theta+ cos^(3) (120^(@)+ theta) + cos^(3) (240^(@) + theta ) = (3)/(4) cos 3 theta`

सिध्द कीजिए कि : cos^(3) theta+ cos^(3) (120^(@)+ theta) + cos^(3) ...
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The value of the expression cos^(3)theta+cos^(3)(120+theta)+cos^(3)(24...
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सिध्द कीजिए कि : cos^(3) theta+ cos^(3) (120^(@)+ theta) + cos^(3) ...
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यदि theta =30^(@) हो , तो सत्यापित करो कि cos 3 theta = 4 cos^...
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The value of cos ^(3) theta + cos ^(3) (theta +120^(@)) + cos ^(3) (...
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cos^(3) theta + cos^(3) ( 120^(@) +theta ) + cos^(3) (120^(@) - theta ...
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A : cos^(3) x + cos^(3)(120^@ + x) + cos^(3)(120^(@) - x)=(3)/(4) cos...
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If cos^(3) theta + cos^(3)((2pi)/(3) + theta) + cos^(3)((4pi)/(3) + th...
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If cos^(3) theta + cos^(3)((2pi)/(3) + theta) + cos^(3)((4pi)/(3) + th...
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