सिध्द कीजिए। cos^(2) +cos^(2) (x+ .(p...

सिध्द कीजिए।
`cos^(2) +cos^(2) (x+ .(pi)/(3)) +cos^(2) (x-.(pi)/(3)) = (3)/(2)`

सिध्द कीजिए। cos^(2) +cos^(2) (x+ .(pi)/(3)) +cos^(2) (x-.(pi)/(3))...
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Prove that cos^2x+cos^2(x+pi/3)+cos^2(x-pi/3)=3/2.
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Prove that cos^2x+cos^2(x+pi/3)+cos^2(x-pi/3)=3/2
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सिध्द कीजिए। cos^(2) +cos^(2) (x+ .(pi)/(3)) +cos^(2) (x-.(pi)/(3))...
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सिद्ध कीजिए की : cos ^(2) x +cos ^(2) (x+( pi)/(3)) +cos^(2) (x-( p...
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Prove that cos ^(2) x+ cos ^(2) (x+ ( pi )/( 3)) +cos ^(2) (x- (pi)/(...
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Prove that cos^(2)x + cos^(2)(x + (pi)/(3)) + cos^(2) (x - (pi)/(3)) =...
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Find the value of cos^(2)x+cos^(2)(x+(pi)/(3))+cos^(2)(x-(pi)/(3))
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நிரூபிக்கcos^2x+cos^2(x+pi/3)+cos^2(x-pi/3)=3/2
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