Solve 5cosx° + 2 = 1, x = 101.5°, x = 258.4°, Given that cos60° = 0.5, state the value of cos240°., cos240° = -0.5, Solve the equation 7sinx° + 2 = 3, x = 8.2°, x = 171.8°, Solve 2tanx° + 5 = -4, x = 102.5°, x = 282.5°.

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