Recommended Questions
- सिद्ध कीजिए कि (cos A-cosB)^(2) + (sin A - sin B)^(2) = 4 sin^(2)...
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- If (cos^4A)/(cos^2B)+(sin^4A)/(sin^2B)=1 then prove that (i)sin^4A+...
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- sin ^ (2) A cos ^ (2) B + cos ^ (2) A sin ^ (2) B + sin ^ (2) A sin ^ ...
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- Theorem 4 :If A+B+C=pi then prove that sinA+sinB+sinC=4cos(A/2)cos(B/2...
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- If sqrt(2) cos A=cosB+cos^(3)B, and sqrt(2)sinA=sinB-sin^(3)B then si...
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- sin ^(2) A cos ^(2) B-cos ^(2) A sin ^(2) B= sin ^(2)A -sin ^(2)B
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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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- यदि cos theta = sqrt3/2, "तो सिद्ध करें कि " 3 sin theta - 4 sin^(3) ...
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- यदि cot B = 12/5, "तो सिद्ध करें कि " tan^(2) B - sin^(2) B = sin...
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