bbwtheatreco bbwtheatreco
  • 08-02-2019
  • Mathematics
contestada

if sin a = 5/13 what is cos a

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mathecoach
mathecoach mathecoach
  • 08-02-2019

Answer:

SIN(a) = G/H = 5/13

A^2 + G^2 = H^2 --> A = √(H^2 - G^2) = √(13^2 - 5^2) = 12

COS(a) = A/H = 12/13

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