(Solved): Part A: Complete the the equation below: \[ \cos \theta= \] Part B: Write \( \theta \) in terms of ...

Part A: Complete the the equation below: \[ \cos \theta= \] Part B: Write \( \theta \) in terms of the inverse cosine. \[ \theta= \] Part C: Use a calculator or app to compute the value of \( \theta \), in radians, to three decimal places.