csterner8488 csterner8488

02-09-2019
Mathematics

contestada

Find theta to four significant digits for 0 less than or equal theta less than 2pi. secant theta equals negative 2.782

Respuesta :

carlosfuentest carlosfuentest

07-09-2019

Answer:

Ф= 111.06° = 0,617π rad

Step-by-step explanation:

sec(Ф) = 1/cos(Ф)

1/cos(Ф) = -2.782

cos (Ф) = -0.3594

Ф= arcos (-0.3594)

Ф = 111.06° * (π/180) = 0,617π radians.

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