Respuesta :

mreijepatmat
cos (Ф) = 0.9123
To calculate Ф, we have to find the arcos (0.9123) ≈ cos⁻¹ (0.9123)

cos⁻¹(0.9123) = Ф

cos⁻¹ (0.9123) = 24°.175

Ф = 24°.175