Recommended Questions
- cos4A=8cos^(4)A-8cos^(2)A+1.
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- cos4A=1-8cos^(2)A+8cos^(4)A
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- cos4 alpha=1-8cos^(2)alpha+8cos^(4)alpha
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- If sin A + sin^2 A + sin^3 A = 1 , then find the value of cos^6 A-4 ...
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- 8cos x cos2x cos4x = (sin6x) / (sin x)
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- Examples: 1 / (1 + 3 sin^2x + 8 cos^2 x) dx
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- Prove that: cos4A=1-8cos^2A+8cos^4 A
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- sin^4 theta=3/8-1/2cos2theta+1/8cos 4theta
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- सिद्ध कीजिए कि 1-8cos^(2)theta+8cos^(4)theta=cos 4theta
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