If cos A = .find cos 3A
a) -1
b) 2.
c) 3
d) 1
Answers
Answered by
0
Answer:
What does cos means...
Similar questions
Biology,
2 months ago
World Languages,
2 months ago
English,
2 months ago
Social Sciences,
6 months ago
Social Sciences,
6 months ago
Geography,
11 months ago
Hindi,
11 months ago