[기하벡터 #26(2)] 공간도형/정사영

[기하벡터 #26(2)] 공간도형/정사영

[예제4]---------------------------------------------------------------------------

[유제5]----------------------------------------------------------------------

[기하벡터 #26(1)] 공간도형/이면각: "예각"과 cos

[기하벡터 #26(1)] 공간도형/이면각: "예각"과 cos

[예제3]-------------------------------------------------------------------

[각: cos vs. sim, tan]-----------------------------------------------------------

[유제4]----------------------------------------------------------------------------

[확률통계 #25] 통계/1. 이산확률분포

[확률통계 #25] 통계/1. 이산확률분포

[평균/분산/표준편차]-----------------------------------------------------------------

[계산 예]-----------------------------------------------------------------------------

[예제1]-----------------------------------------------------------------------------

[유제1]-----------------------------------------------------------------------------

[유제2]-----------------------------------------------------------------------------

[예제2]-----------------------------------------------------------------------------

[유제3]-----------------------------------------------------------------------------

[예제3]-----------------------------------------------------------------------------