Taking the arcsin of both sides of the equation, you get ...
... 90° -x = {-60°, -120°}
So ...
... x = 90° -{-60°, -120°} = {150°, 210°}
The appropriate choice is ...
... 210
What is an equation of the line with slope 3 that goes through point (2/3, 4)
1 answer:
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