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OpenStudy (anonymous):
Exact value of tan 255degrees using DIFFERENCE formula pls
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OpenStudy (mathmale):
Would you please look up and type in here the "difference formula for the tangent"?
OpenStudy (mathmale):
Next: Try making a "difference" out of 255. What angle, whose tangent is easily found, less another angle, whose tangent is also easily found, results in 255 degrees?
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