Solve sin(2x)+sinx=0

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Solve the trig equation, involves using a double angle formula and factoring.
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Thank youuuu, puzzled over this for 20 minutes.

officialmrgeekygamer
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Danke Mathemann!









MATHEMANN

maxfreimuller
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But sinx also equals 0 at 2pi, so should it not be "0, 180, 360"

higherexamhelp
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if i write answer in form like 120 degree etc will it be right

SalmanKhan-qfpe