2)(2 T CM10COS()10 2B X2COS(10T )(CM) C )( )AD X2COS(10T)(CM...

2 ) - KIEM TRA 1 TIET CO DAP AN VAT LY 12 HKI LAN 20910
KIEM TRA 1 TIET CO DAP AN VAT LY 12 HKI LAN 20910
2)(2 t cm10cos()10 2

B

x2cos(10t )(cm)

C

)( )

A

D

x2cos(10t)(cm)