find the general values of θ if cos θ = 1/√2
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Answer:
θ = 2 n π ± π / 4 n ∈ Z
Step-by-step explanation:
Given :
cos θ = 1 / √ 2
= > cos θ = cos π / 4
We know :
If :
cos θ = cos α
= > θ = 2 n π ± α , n ∈ Z
Putting value here we get :
= > θ = 2 n π ± π / 4 n ∈ Z
Hence we get required answer!
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