emilymaul25 emilymaul25
  • 13-10-2019
  • Mathematics
contestada

sin(a)=2/5 use trig identity to find cos(a)​

Respuesta :

luismartinez2345jk
luismartinez2345jk luismartinez2345jk
  • 13-10-2019

Answer:

5/2

Step-by-step explanation:

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