Raj1232
Raj1232 Raj1232
  • 06-02-2020
  • Mathematics
contestada

what is formula of sec(A+B)​

Respuesta :

chloe181504
chloe181504 chloe181504
  • 06-02-2020

Answer:

(cos a cos b - sin a sin b)

Step-by-step explanation:

It's easy

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