Schnittwinkel von Ebenen

Der Schnittwinkel der Ebenen E 1 , E 2 MathType@MTEF@& 053;@& 053;@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbwvMCKf MBHbqedmvETj2BSbqefm0B1jxALjhiov2DaerbuLwBLnhiov2DGi1B TfMBaebbnrfifHhDYfgasaacH8XjY=vipgYlh9vqqj=hEeeu0xXdbb a9frFj0=OqFfea0dXdd9vqai=hGuQ8kuc9pgc9q8qqaq=dir=f0=yq aiVgFr0xfr=xfr=xb9adbaqaaeaacaGaaiaabeqaamaaeaqbaaGcba GaamyramaaBaaaleaacaaIXaaabeaakiaacYcacaGGfbWaaSbaaSqa aiaaikdaaeqaaaaa@3CCE@ mit Normalenvektoren n → 1 , n → 2 MathType@MTEF@& 053;@& 053;@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbwvMCKf MBHbqedmvETj2BSbqefm0B1jxALjhiov2DaerbuLwBLnhiov2DGi1B TfMBaebbnrfifHhDYfgasaacH8XjY=vipgYlh9vqqj=hEeeu0xXdbb a9frFj0=OqFfea0dXdd9vqai=hGuQ8kuc9pgc9q8qqaq=dir=f0=yq aiVgFr0xfr=xfr=xb9adbaqaaeaacaGaaiaabeqaamaaeaqbaaGcba GabmOBayaalaWaaSbaaSqaaiaaigdaaeqaaOGaaiilaiqad6gagaWc amaaBaaaleaacaaIYaaabeaaaaa@3D45@ ist cos ( α ) = | n → 1 ⋅ n → 2 | | n → 1 | ⋅ | n → 2 | MathType@MTEF@& 053;@& 053;@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbwvMCKf MBHbqedmvETj2BSbqefm0B1jxALjhiov2DaerbuLwBLnhiov2DGi1B TfMBaebbnrfifHhDYfgasaacH8XjY=vipgYlh9vqqj=hEeeu0xXdbb a9frFj0=OqFfea0dXdd9vqai=hGuQ8kuc9pgc9q8qqaq=dir=f0=yq aiVgFr0xfr=xfr=xb9adbaqaaeaacaGaaiaabeqaamaaeaqbaaGcba Gaci4yaiaac+gacaGGZbGaaiikaiabeg7aHjaacMcacqGH9aqpdaWc aaqaamaaemaabaGabmOBayaalaWaaSbaaSqaaiaaigdaaeqaaOGaey yXICTabmOBayaalaWaaSbaaSqaaiaaikdaaeqaaaGccaGLhWUaayjc SdaabaWaaqWaaeaaceWGUbGbaSaadaWgaaWcbaGaaGymaaqa