OpenStudy (anonymous):

Find all solutions to the equation. sin2x + sin x = 0

4 years ago
OpenStudy (anonymous):

sin2x+sinx=0 2sinxcosx+sinx=0 sinx(2cosx+1)=0 sinx=0 or 2cosx+1=0 Solve it from there:)

4 years ago
OpenStudy (anonymous):

Thanks that where I was going in my math! XD

4 years ago
OpenStudy (anonymous):

Welcome:)

4 years ago
OpenStudy (anonymous):

use the quadratic equation right?

4 years ago
OpenStudy (anonymous):

form

4 years ago
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