[" 1) "0quad 2" ) "1," 3) "sin^(2)alpha"...

[" 1) "0quad 2" ) "1," 3) "sin^(2)alpha" .4) cort "^(2)alpha],[" 47."(cos^(3)A+sin^(3)A)/(cos A+sin A)+(cos^(3)A-sin^(3)A)/(cos A-sin A)],[" 1) "0quad 2)-1,3)1quad 4" ? "]

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