mholder mholder
  • 09-02-2017
  • Mathematics
contestada

what is the principal value cost of cos​−1
​(0.69)

Respuesta :

MissPhiladelphia
MissPhiladelphia MissPhiladelphia
  • 17-02-2017
We are asked to find the principal value of
cos ⁻¹ (0.69)
which is just the least positive angle
cos ⁻¹ (0.69) = 46.37°
Other values of 
cos ⁻¹ (0.69) is
46.37° - 180° n
where n is a whole number
Answer Link
zara3303
zara3303 zara3303
  • 17-02-2021

Answer:

46.4

Step-by-step explanation:

Answer Link

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