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OpenStudy (anonymous):
sin(3x)+cos(3x)=0, solve algebraically
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OpenStudy (anonymous):
sin(3x)+cos(3x)=0 sin(3x)=-cos(3x) tan(3x)=-1 =tan(-pi/4) i hope u can do it now..
OpenStudy (anonymous):
use general solution formula for tanx
OpenStudy (anonymous):
oh thank you I get it now :)
OpenStudy (anonymous):
welcome
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