trent129 trent129
  • 12-11-2020
  • Mathematics
contestada

What is the value of 2cos^2(75degrees) - 1?
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Аноним Аноним
  • 12-11-2020

Step-by-step explanation:

2(cos 75)(cos75) -1

=2(0.6699) -1

=1.3398-1

=0.3398

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sapondammy sapondammy
  • 03-12-2020

Step-by-step explanation:

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