j7ud4iprpors j7ud4iprpors

11-06-2016
Mathematics

contestada

#1. Find all solutions to the equation. sin2x + sin x = 0. #2. If sinx (sinx+1) = 0 sinx = 0 sinx = -1, solve for x.

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nobillionaireNobley nobillionaireNobley

16-06-2016

#2. sin x (sin x + 1) = 0
sin x = 0 or sin x + 1 = 0
sin x = 0 or sin x = -1
[tex]x= sin^{-1}0 \ or \ x = sin^{-1}(-1) \\ x= 0, \ \pi, \ 2 \pi \ or \ x= \frac{3 \pi }{2} [/tex]

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