Math, asked by Anonymous, 11 months ago

Find the value of theta................
4cos(square)theta-1=0

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Answered by Harsh010

1

Hey MaTe!!!

4cos^2 Φ - 1= 0

cos^2 Φ = 1/4

cos Φ = √(1/4)

cos Φ = ±1/2

Φ => π/3 , 4π /3. Answer

Hope it helps :))

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