[" Q.6If "alpha cos^(2)3 theta+beta cos^...

[" Q.6If "alpha cos^(2)3 theta+beta cos^(4)theta=16cos^(6)theta+9],[" cos "^(2)theta" is an identity then- "],[[" (A) "alpha=1,beta=18" (B) "alpha=1,beta=24],[" (C) "alpha=3,beta=24" (D) "alpha=4,beta=2]]

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