28. The value of cos 15° to 3 significant figures is:
A. 0,966 B. 0,965 C. 0,967
A. 0.966
To find the value of cos 15° to 3 significant figures, we can use a calculator or mathematical tables.
Using a calculator, we would input "cos(15)" and round the result to 3 significant figures.
The correct answer is:
B. 0.965