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This question... For the final answers, I got thesinX(5cosX-1)=0 , sinX= -3/4
The problem is that the answers in this book for this question only took in consideration of (5cosX-1)=0 and sinX= -3/4
What happened to the value of sinX=0, why isn't it in the answers? Or did I solve it incorrectly?
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