SOLUTION: Solve for all solution:
sin(3x)cos(6x)-cos(3x)sin(6x)=-0.9
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Question 935775: Solve for all solution:
sin(3x)cos(6x)-cos(3x)sin(6x)=-0.9
Answer by tommyt3rd(5050) (Show Source): You can put this solution on YOUR website!
use angle subtraction identity to get
then since sine is an odd function
which leads to
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