please explain this question
Attachments:
Answers
Answered by
1
Answer:
cos(-theta) = cos(theta)
if you go clockwise angle is negative and if you go anti-clockwise the angle is positive.
and cos(theta) in 4th quadrant is positive
therefore
cos(-theta) = cos(theta)
and rest you can solve bu your own
Similar questions
English,
1 month ago
Accountancy,
1 month ago
History,
3 months ago
Economy,
3 months ago
Science,
8 months ago