Question

SINCE 1999
Physics
Chemistry
Question No: 4
if in a triangle ABC, cos3A = 1, then the AABC is
A: an acute angled triangle
B: A right angled triangle
C: An obtuse angled triangle
D: An equilateral triangle​

Answer 1

Answer:

l thing c option is correct

l hope you like it

Answer 2

Answer:

I hope my answer is correct

Step-by-step explanation:

Answer is obtuse angled triangle...