The first equation is I tried solving it: But the book says it's The second equation looks more simple and I can solve it with my calculator but I want to know how to solve it without my calculator Thank you
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You have gotten to . You need to remember that sine is negative in the third and fourth quadrants. So your solutions are . For the second, if . So if .
Originally Posted by klik11 The first equation is I tried solving it: But the book says it's Thank you The book answers are the solution to
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