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(cos^3 )A.cos 3A +( sin^3 A). sin 3A = (cos ^3) 2A​
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(cos^3 )A.cos 3A +( sin^3 A). sin 3A = (cos ^3) 2A​

User Montxe
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1 Answer

6 votes

Answer:

her in the photoni have given answer

Explanation:

writing... is little bad

(cos^3 )A.cos 3A +( sin^3 A). sin 3A = (cos ^3) 2A​-example-1
User Stoosh
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