If θ is specified as 60.0° ± 0.3°, compute the percentage of uncertainty in both i) cos(θ) and ii) θ.

• A. i. 0.4%, ii. 0.5%
• B. i. 0.9%, ii. 0.5%
• C. i. 0.9%, ii. 0.4%
• D. i. 0.4%, ii. 0.8%

Answer: (B)