已知函数f(x)=acos2x-bsinxcosx-a2的最大值为12,且f(π3)=34,则f(-π3)=( ) A: 12 B: -34 C: -12或34 D: 0或-34
已知函数f(x)=acos2x-bsinxcosx-a2的最大值为12,且f(π3)=34,则f(-π3)=( ) A: 12 B: -34 C: -12或34 D: 0或-34
图中的力F对点o的矩是多少?[img=249x269]17da5a1a0d26dca.png[/img] A: 0,Fl,Fb B: 0,Fl,-Fb C: Fl,Fl,Fb D: 0,-Fl,Fb
图中的力F对点o的矩是多少?[img=249x269]17da5a1a0d26dca.png[/img] A: 0,Fl,Fb B: 0,Fl,-Fb C: Fl,Fl,Fb D: 0,-Fl,Fb
图中的力F对O点的矩为多少?[img=744x149]18036e09021933f.png[/img][img=685x233]18036e090d730fc.png[/img][img=735x315]18036e0919b7d9d.png[/img] A: 0,Fl, Fb B: Fl, Fb,0 C: Fb,Fl,0 D: Fl,Fb,0
图中的力F对O点的矩为多少?[img=744x149]18036e09021933f.png[/img][img=685x233]18036e090d730fc.png[/img][img=735x315]18036e0919b7d9d.png[/img] A: 0,Fl, Fb B: Fl, Fb,0 C: Fb,Fl,0 D: Fl,Fb,0
图中的力F对O点的矩为多少?[img=744x149]18036264958edca.png[/img][img=685x233]18036264a0a5ed0.png[/img][img=735x315]18036264ac698ce.png[/img] A: 0,Fl, Fb B: Fl, Fb,0 C: Fb,Fl,0 D: Fl,Fb,0
图中的力F对O点的矩为多少?[img=744x149]18036264958edca.png[/img][img=685x233]18036264a0a5ed0.png[/img][img=735x315]18036264ac698ce.png[/img] A: 0,Fl, Fb B: Fl, Fb,0 C: Fb,Fl,0 D: Fl,Fb,0
图中的力F对O点的矩为多少?[img=744x149]1802f3fa5d08ce2.png[/img][img=685x233]1802f3fa67fe3e8.png[/img][img=735x315]1802f3fa7529558.png[/img] A: 0,Fl, Fb B: Fl, Fb,0 C: Fb,Fl,0 D: Fl,Fb,0
图中的力F对O点的矩为多少?[img=744x149]1802f3fa5d08ce2.png[/img][img=685x233]1802f3fa67fe3e8.png[/img][img=735x315]1802f3fa7529558.png[/img] A: 0,Fl, Fb B: Fl, Fb,0 C: Fb,Fl,0 D: Fl,Fb,0
图中的力F对O点的矩为多少?[img=744x149]18035d1c6fd7961.png[/img][img=685x233]18035d1c7ab1df4.png[/img][img=735x315]18035d1c859b5d7.png[/img] A: 0,Fl, Fb B: Fl, Fb,0 C: Fb,Fl,0 D: Fl,Fb,0
图中的力F对O点的矩为多少?[img=744x149]18035d1c6fd7961.png[/img][img=685x233]18035d1c7ab1df4.png[/img][img=735x315]18035d1c859b5d7.png[/img] A: 0,Fl, Fb B: Fl, Fb,0 C: Fb,Fl,0 D: Fl,Fb,0
图中的力F对O点的矩为多少?[img=744x149]1802f3f8b9285a5.png[/img][img=685x233]1802f3f8c4edd9d.png[/img][img=735x315]1802f3f8d15814b.png[/img] A: 0,Fl, Fb B: Fl, Fb,0 C: Fb,Fl,0 D: Fl,Fb,0
图中的力F对O点的矩为多少?[img=744x149]1802f3f8b9285a5.png[/img][img=685x233]1802f3f8c4edd9d.png[/img][img=735x315]1802f3f8d15814b.png[/img] A: 0,Fl, Fb B: Fl, Fb,0 C: Fb,Fl,0 D: Fl,Fb,0
图中的力F对O点的矩为多少?[img=744x149]1802f3f9672e5e5.png[/img][img=685x233]1802f3f9714e5f8.png[/img][img=735x315]1802f3f97c72df1.png[/img] A: 0,Fl, Fb B: Fl, Fb,0 C: Fb,Fl,0 D: Fl,Fb,0
图中的力F对O点的矩为多少?[img=744x149]1802f3f9672e5e5.png[/img][img=685x233]1802f3f9714e5f8.png[/img][img=735x315]1802f3f97c72df1.png[/img] A: 0,Fl, Fb B: Fl, Fb,0 C: Fb,Fl,0 D: Fl,Fb,0
图中的力F对O点的矩为多少?[img=744x149]1802f3fdb0a46da.png[/img][img=685x233]1802f3fdbc626cc.png[/img][img=735x315]1802f3fdc7077df.png[/img] A: 0,Fl, Fb B: Fl, Fb,0 C: Fb,Fl,0 D: Fl,Fb,0
图中的力F对O点的矩为多少?[img=744x149]1802f3fdb0a46da.png[/img][img=685x233]1802f3fdbc626cc.png[/img][img=735x315]1802f3fdc7077df.png[/img] A: 0,Fl, Fb B: Fl, Fb,0 C: Fb,Fl,0 D: Fl,Fb,0
图中的力F对O点的矩为多少?[img=744x149]17de6ed8f47003d.png[/img][img=685x233]17de6ed905536de.png[/img][img=735x315]17de6ed9117f007.png[/img] A: 0,Fl, Fb B: Fl, Fb,0 C: Fb,Fl,0 D: Fl,Fb,0
图中的力F对O点的矩为多少?[img=744x149]17de6ed8f47003d.png[/img][img=685x233]17de6ed905536de.png[/img][img=735x315]17de6ed9117f007.png[/img] A: 0,Fl, Fb B: Fl, Fb,0 C: Fb,Fl,0 D: Fl,Fb,0