Recommended Questions
- A का मान ज्ञात कीजिए यदि cos^4A+sin^4A=1-sin^2Acos^2A
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- sin^4A-cos^4A=2sin^2A-1=1-2cos^2A=sin^2A-cos^2A
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- Prove that cos^4A+sin^4A+2sin^2Acos^2A=1
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- सिद्ध कीजिए कि (sin 3A cos 4A - sin A cos 2A)/(sin 4A sin A + cos 6 ...
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- Prove that (sin (4A - 2B) + sin (4B - 2A))/(cos (4A - 2B) + cos (4B - ...
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- If cosA+cos^2A=1 , then sin^2A+sin^4A=
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- If (cos^4A)/(cos^2B)+(sin^4A)/(sin^2B)=1 then prove that (cos^4B)/(cos...
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