Y=4/5x-1 (4 over 5x minus 1) slope: y-intercept:
2 answers:
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Answer:
x = 240°, x = 300°
Step-by-step explanation:
Using the identity
sin x = =
= -
, then
x = (
) = 60° ← related acute angle
Since sin x < 0 then x is in 3rd / 4th quadrants
x = 180° + 60° = 240°
x = 360° - 60° = 300°