marleigh0808 marleigh0808
  • 30-06-2017
  • Mathematics
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If the sin 30=1/2 the cos 60=

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RickyChen
RickyChen RickyChen
  • 30-06-2017
cos(60) = cos(90 - 30) = sin(30) = 1/2

This should be what you want.
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