Question

Find the general solution of cos²x = 1/2​

Answer 1

Answer:

cos²x=1

cos²x=cos²(nπ±x)

where n=0,±1,±2,±3.........(n€Z integers)

x=nπ±thita is the general solution

I hope u understood it

Answer 2

Answer:

Step-by-step explanation:

cosx=1/root2

cosx=cos45

x=45

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