Math, asked by toppr98, 10 months ago

What is the value of A if 2 cos 2A=1.

Answers

Answered by Itzraisingstar

5

Answer:

Step-by-step explanation:

Hey mate here is your answer!

Cos 2A=1/2,

Cos 60°=1/2,

cos 2A=cos 60°,

2A=60°,

A=60/2,

A=30°.

Hope it helps you!

Answered by koushikj401

4

2cos2A=1

cos2A=1/2

cos2A=cos 60°

2A=60°

A=60°/2

A=30°

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