Bra länkar, välj den ena personen
Tomas Severin:
Sinus: https://www.youtube.com/watch?v=kn8a1nocuAM
Cosinus och tangens: https://www.youtube.com/watch?v=bQHLKMBxo84 Likformighet: https://www.youtube.com/watch?v=Uq8T5ukBdf0 Vektorer: https://www.youtube.com/watch?v=o7PiFLCWJt8 Daniel Barker: Trigonometri: https://www.youtube.com/watch?v=Z-plo5yRC_I Vektorer: https://www.youtube.com/watch?v=E38N45DX4B4 Likformighet: https://www.youtube.com/watch?v=h-HdltQQPRM