dmxo23 dmxo23
  • 13-06-2016
  • Mathematics
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Find all values of e in the interval oo se<360o that satisfy the equation sin20- sin 0.

Find all values of e in the interval oo selt360o that satisfy the equation sin20 sin 0 class=

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nobillionaireNobley
nobillionaireNobley nobillionaireNobley
  • 16-06-2016
sin 2θ = sin θ
2sin θ cos θ = sin θ
2cos θ = 1
cos θ = 1/2
[tex] \theta = cos^{-1} \frac{1}{2} \\ \theta = \frac{ \pi }{3} \ or \ \frac{5 \pi }{3} [/tex]
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