Amandachavez94
01.04.2021 •
Mathematics
Which equation shows "y= 3x -1/5" "5x - 15y = 1" "5x- 15y =-1" "15x - 5y = 1" or "15x + 5y = -1"
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Ответ:
They are both 3/5.
Step-by-step explanation:
The length of the hypotenuse is ( By Pythagoras):
sqrt ( 3^2 + 4^2) = 5.
sin x = 3/5 and cos y = 3/5.