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Perkalian antara vektor A dan vektor B dapat dituliskan dengan persamaan…

Perkalian antara vektor dan vektor dapat dituliskan dengan persamaan…

  1. begin mathsize 14px style A with rightwards arrow on top times B with rightwards arrow on top equals open vertical bar A with rightwards arrow on top close vertical bar open vertical bar B with rightwards arrow on top close vertical bar end style cos θ

  2. begin mathsize 14px style A with rightwards arrow on top times B with rightwards arrow on top equals open vertical bar A with rightwards arrow on top close vertical bar open vertical bar B with rightwards arrow on top close vertical bar end style sin θ

  3. begin mathsize 14px style A with rightwards arrow on top times B with rightwards arrow on top equals open vertical bar A with rightwards arrow on top close vertical bar open vertical bar B with rightwards arrow on top close vertical bar end style tan θ

  4. begin mathsize 14px style A with rightwards arrow on top times B with rightwards arrow on top equals open vertical bar A with rightwards arrow on top close vertical bar open vertical bar B with rightwards arrow on top close vertical bar end style 

  5. begin mathsize 14px style A with rightwards arrow on top times B with rightwards arrow on top equals open vertical bar A with rightwards arrow on top close vertical bar open vertical bar B with rightwards arrow on top close vertical bar end style cos2 θ

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R. Amalia

Master Teacher

Mahasiswa/Alumni Universitas Padjadjaran

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Pembahasan

Maka, perkalian antara vektor dan vektor dapat dituliskan dengan persamaan: Dengan: | | = besar vektor pertama | | cos θ = komponen skalar vektor kedua pada arah vektor pertama

Maka, perkalian antara vektor begin mathsize 14px style A with rightwards arrow on top end style dan vektor begin mathsize 14px style B with rightwards arrow on top end style dapat dituliskan dengan persamaan:

Dengan:

|begin mathsize 14px style A with rightwards arrow on top end style| = besar vektor pertama

|begin mathsize 14px style B with rightwards arrow on top end style| cos θ = komponen skalar vektor kedua pada arah vektor pertama

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