If cos 60° = 1/2, which of the following angle has cosine of -1/2?
cos 60° = 1/2, cos(180° - 60°) = -1/2 cos120° = -1/2
Please don't post or ask to join a "Group" or "Whatsapp Group" as a comment. It will be deleted. To join or start a group, please click here
Contributions ({{ comment_count }})
Please wait...
Modal title
Report
Block User
{{ feedback_modal_data.title }}