Agntc
Agntc Agntc
  • 25-03-2021
  • Mathematics
contestada

evaluate without using a calculator
[tex] { \cos {15}^{2} } + \sin(22.5) \times \cos(22.5) - \ { \ \sin(22.5) }^{2} [/tex]
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burchamiz
burchamiz burchamiz
  • 25-03-2021

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