adelo77 adelo77
  • 03-11-2019
  • Mathematics
contestada

cosec(6b+pi/8)=sec(2b-pi/8)​

Respuesta :

2002hemal
2002hemal 2002hemal
  • 03-11-2019

Step-by-step explanation:

cosec( 6b+ pie/8)=sec(2b-pie/8)

1/ sin( 6b +pie/8)=1/sec(2b-pie/8)

cos(2b-pie/8)=sin(6b-pie/8)

cosX =sin(pie/2-x)

sin(pie/2-2b+pie/8)=sin(6b+pie/8)

pie/2-2b+pie/8=6b+pie/8

pie/2=8b

b = pie/16

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