pratyush67 pratyush67
  • 14-01-2022
  • Mathematics
contestada

If sin A/2 = 1/2(p+1/p) show that cos A=-1/2(p^2+1/p^2)

Respuesta :

drmfouadz
drmfouadz drmfouadz
  • 14-01-2022

Step-by-step explanation:

p-p /pq+1

sin

−1

(

1+p

2

2p

Ver imagen drmfouadz
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