SOLUTION: cos 2x – 3sin x cos 2x = 0 for the principal value(s) to
two decimal places
Algebra.Com
Question 748635: cos 2x – 3sin x cos 2x = 0 for the principal value(s) to
two decimal places
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
cos 2x – 3sin x cos 2x = 0 for the principal value(s) to
two decimal places
***
cos 2x–3sinxcos2x = 0
factor out cos2x
1-3sinx=0
3sinx=1
sinx=1/3
x=19.47º
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