सिद्ध कीजिए : cos^(2) [ (pi)/(8) + (A)/(...

सिद्ध कीजिए : `cos^(2) [ (pi)/(8) + (A)/(2) ] - cos^(2) [ ( pi)/(8)- (A)/(2) ]= - ( sin A)/( sqrt2)`

सिद्ध कीजिए : cos^(2) [ (pi)/(8) + (A)/(2) ] - cos^(2) [ ( pi)/(8)- (A...
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cos ^ (2) ((pi) / (8)) + cos ^ (2) ((3 pi) / (8)) + cos ^ (2) ((5 pi) ...
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Simplify: [(1+ (sin pi) / (8) + i (cos pi) / (8)) / (1+ (sin pi) / (8)...
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((sin ^ (2) a sin ^ (2) b + sin ^ (2) a cos ^ (2) b + cos ^ (2) a) + (...
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Prove that: sin^2(pi/8)+sin^2((3pi)/8)+sin^2((5pi)/8)+sin^2((7pi)/8)=2
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Prove that cos^(2)(pi/8-A/2)-cos^(2)(pi/8+A/2) [1-sin^(2)(pi/8-A/2)]...
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सिद्ध कीजिए कि- cos^(2)((pi)/(8)+(theta)/(2))-cos^(2)((pi)/(8)-(theta)...
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सिद्ध कीजिए कि cos^(2) ( pi/8 - A/2) - cos ^(2) ( pi/8 + A/2) = 1...
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सिद्ध कीजिए कि - (i) cos ^(2). pi/8 + cos6^(2). (3pi)/8 + cos^(2). (...
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