Problem Statement:
Find the values of x, where 0 ≤ x ≤ 360, such that 2sin2x + 5cosx + 1 = 0.Problem Answer:
x = 120° or 240°
Solution:Find the values of x, where 0 ≤ x ≤ 360, such that 2sin^2 x + 5cosx + 1 = 0. Determine the value of x, given the range and the equation.
x = 120° or 240°
Solution:
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