if cos2A is 1/2, then what will be the vaue of A?
Answers
Answered by
7
Ahoy,
cos2A = 1/2
We know that the value of cos60° = 1/2
Therefore
cos2A = cos60°
=>2A = 60°
=>A = 60/2
=>A = 30°
Cheers!
cos2A = 1/2
We know that the value of cos60° = 1/2
Therefore
cos2A = cos60°
=>2A = 60°
=>A = 60/2
=>A = 30°
Cheers!
Answered by
1
cos 2A=cos 60°
⇒2A=60°
⇒A=30°
Now say thank you
achintyajain87:
sorry, i made a mistake
Replace 30 with 60, and answer is 30
you can edit it yourself
I did
okay
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