alexismcclary2573 alexismcclary2573
  • 11-06-2017
  • Mathematics
contestada

tan a = 6/8; a is in QIII. What is sin 2a?

-12/16

24/25

24/32

-25/24

Respuesta :

Ninayzl
Ninayzl Ninayzl
  • 11-06-2017
24/25
sin(2a)=2sin(a)cos(a), and you know tan(a), draw the picture and you will see it
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