...cosA + cos3A + cos5A + cos7A + e? cos3e + 2cos5e + cos7e 14. Prove that ; cos2Ð cose + 2cos30 +...

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Transcript of ...cosA + cos3A + cos5A + cos7A + e? cos3e + 2cos5e + cos7e 14. Prove that ; cos2Ð cose + 2cos30 +...