Quay lại đáp án

	2	thêm 51 ký tự trong đáp án
Có $A= 3sinx-4sin^3x+4sinxcosx+2-4sin^2x+2sinx+4cosx+3$ $= 5sinx+5 -4sin^2-4sin^3+4sinxcosx+4cosx$ $=5(sinx+1) -4sin^2(sinx+1)+4cosx(sinx+1)$ $=(sinx+1)(5-4sin^2x+4cosx)$ $=(sinx+1)(5-4+4cosx^2+4cosx)$ $=(sinx+1)(cosx+2)^2$ Có $A= 3sinx-4sin^3x+4sinxcosx+2-4sin^2x+2sinx+4cosx+3$ $= 5sinx+5 -4sin^2-4sin^3+4sinxcosx+4cosx$ $=5(sinx+1) -4sin^2(sinx+1)+4cosx(sinx+1)$ $=(sinx+1)(5-4sin^2x+4cosx)$ Có $A= 3sinx-4sin^3x+4sinxcosx+2-4sin^2x+2sinx+4cosx+3$ $= 5sinx+5 -4sin^2-4sin^3+4sinxcosx+4cosx$ $=5(sinx+1) -4sin^2(sinx+1)+4cosx(sinx+1)$ $=(sinx+1)(5-4sin^2x+4cosx)$ $=(sinx+1)(5-4+4cosx^2+4cosx)$ $=(sinx+1)(cosx+2)^2$

	1	tạo mới
Có $A= 3sinx-4sin^3x+4sinxcosx+2-4sin^2x+2sinx+4cosx+3$ $= 5sinx+5 -4sin^2-4sin^3+4sinxcosx+4cosx$ $=5(sinx+1) -4sin^2(sinx+1)+4cosx(sinx+1)$ $=(sinx+1)(5-4sin^2x+4cosx)$

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