Math, asked by yasmine2511, 5 months ago

2 cos 2 A=1 find the value of A

Answers

Answered by Anonymous

1

Step-by-step explanation:

Cos 2A = 1/2

cos 2A = COS 60

2A = 60

A = 30 ANSWER

Answered by shruti13845

2

Answer:

ur answer

Step-by-step explanation:

2cos²A=1

cos²A=1/2

cos A=√1/2

cos A=1/√2

cos A= cos45°

A=45°

hope it help ☺☺

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