Sin x = 7/12
x = arcsin (7/12) = 35.69°
Answer:
the black points on the top right marked with the letters are the answers
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9. x < −17
10. x < 6
11. 10 < x < 21
12. Move all terms not containing x from the center section of the inequality. No solution.
13. −3 < x < 3
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