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avatar+230 

How many values of x with $0^\circ \le x < 360^\circ$ satisfy sin x=-0.73?

 Sep 8, 2020
 #1
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There are four solutions.

 Sep 8, 2020
 #2
avatar+37146 
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sin x = - 0.73   between 0 and 360o

arcsin ( - 0.73) =   313.11o   and    226.89o

 Sep 8, 2020

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