PLEASE DO IT.... IT'S URGENT
Attachments:
Answers
Answered by
1
Answer:
0
Step-by-step explanation:
cos 2A = cos ^2 45- sin^2 45 = 2cos^2 45 -1=1-2 sin^45=0
Similar questions
Political Science,
5 months ago
History,
11 months ago
Social Sciences,
11 months ago
Math,
1 year ago
Science,
1 year ago