siyarammahato94
siyarammahato94 siyarammahato94
  • 19-08-2021
  • Advanced Placement (AP)
contestada

if sin2A=24/25 and sinA=4/5 then find the value of cosA​

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Аноним Аноним
  • 19-08-2021

Answer:

cosA = 3/5

Explanation:

sin2A = 2sinAcosA

Plug in our values:

24/25 = 2 * 4/5 * cosA

24/25 = 8/5 * cosA

cosA = 3/5

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