kąt alfa jest ostry i cos alfa = 1/3 . wtedy sin alfa = 2 pierwiastki 2 /3
proszę mi napisać do tego równanie.
dzieki;)
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
cos a = 1/3
sin²a + cos²a = 1
sin²a + (1/3)² = 1
sin²a = 1 - 1/9
sin²a = 8/9
sina = √(8/9)
sina = 2√2/3