find the value of tan(255°)
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Step-by-step explanation:
Suppose we wanted to find the exact value of tan(255°). We cannot find this value because it is not a special angle, or can we? Since 255° is the sum of two special angles on a unit circle, it can be done. 255° can be expressed as 225° + 30°, which means we can use the sum formula to evaluate it.
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