20. Find the value of Ѳ in 2 cos 3Ѳ = 1
Answers
Answered by
1
Given 2 cos 3A=1
Or
Cos 3A =1/2
Or
Cos 3A = Cos 60 degree
So
3A=60 degree
A= 20 degree
Here A mean thetha
Thanks
Answered by
0
Answer:
Given 2 cos 3A=1 Or Cos 3A =1/2 Or Cos 3A = Cos 60 degree So 3A=60 degree A= 20 degree Here A mean thetha Thanks
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