Sin230=sin(180+50)=sin180cos50+cos180sin50=-sin50 answer 1
Answer:
x = 0
x = 3
Step-by-step explanation:

Answer:
a = - 27
Step-by-step explanation:
-
a - 6 = 12 ( add 6 to both sides )
-
a = 18 ( multiply both sides by 3 to clear the fraction )
- 2a = 54 ( divide both sides by - 2 )
a = - 27