UncategorizedSolution: Find the values of x, where 0 ≤ x ≤ 360, such that 2sin^2 x + 5cosx + 1 = 0 engr June 18, 2016 No Comments Problem Statement:Find the values of x, where 0 ≤ x ≤ 360, such that 2sin2x + 5cosx + 1 = 0.Problem Answer:x = 120° or 240° Solution: