thvutt4469 thvutt4469

17-06-2024
Mathematics

Answered

For the equation 5cos²θ+6cosθ=8 which of the following?

a) cosθ-2; θ = 0.64 rad
b) 5cosθ+4; θ= 5.64 rad
c) cosθ+2; θ= 5.64 rad

Answer :

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