aayushalawaju
aayushalawaju aayushalawaju
  • 06-07-2017
  • Mathematics
contestada

if tan a=1/7 and tan b=1/3, prove that
cos 2a =sin 4b

Respuesta :

Аноним Аноним
  • 06-07-2017
Solve is in the pic.

With Geometry..



GoodLuck:)
Ver imagen Аноним
Answer Link

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