What is the cos 39° to 5 decimal places (use Appendix I)?
cos (39) = 0.777145 = 0.77715 (used calculator). When it asked for 5 decimal places, I write down six so I know if I need to round or not.
Let me know if you have any more questions.
Content will be erased after question is completed.
Enter the email address associated with your account, and we will email you a link to reset your password.
Forgot your password?