Math, asked by avishkarkunchamwar, 2 months ago

find the principal Value of cos2x=1

Answers

Answered by Gauravreddys

1

Answer:

x = 60°

Step-by-step explanation:

Given,

Cos 2x = 1

Cos x = 1 / 2

That is Cos 60° = 1 / 2

Therefore x = 60°

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