Recommended Questions
- सिद्ध कीजिए कि- sin^2A-sin^2B=cos^2B-cos^2A
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- cos 2A cos 2B + sin^(2) (A-B) -sin^(2) (A+B) = cos (2A +2B)
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- Prove: (1-cos^2 A)cdot sec^2B + tan^2B (1-sin^2A) = sin^2A+tan^2B.
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- cos(A+B)*cos(A-B)= (a)sin^2A-cos^2B (b)cos^2A-sin^2B (c)sin^2A-sin^2B ...
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- सिद्ध कीजिए की (cos 2B-cos2A)/(sin 2B+sin 2A)= tan (A-B)
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- Prove that (sin (4A - 2B) + sin (4B - 2A))/(cos (4A - 2B) + cos (4B - ...
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- প্রমান করতে হবে যে, cos (A + B) cos (A – B) = cos^2A – sin^2B = cos^2B...
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- நிறுவுக:cos(A+B)cos(A-B)cos^2A-sin^2B=cos^2B-sin^2A
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- நிறுவுக:(sin(4A-2B)+sin(4B-2A))/(cos(4A-2B)+cos(4B+2A)=tan(A+B))
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