60008511 60008511
  • 17-10-2019
  • Mathematics
contestada

Which relationship in the triangle must be true?

sin(B) = sin(A)
sin(B) = cos(90 – B)
cos(B) = sin(180 – B)
cos(B) = cos(A)

Respuesta :

MahyarSahraei MahyarSahraei
  • 17-10-2019

Answer:

sinB=cos(90-B)

Step-by-step explanation:

this is the relationship between sin and cos. other choices are wrong

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