Question 717562: find the exact value
tan(-675degree)
Answer by jsmallt9(3758)   (Show Source):
You can put this solution on YOUR website! Co-terminal angles will have the same tan's (and sin's, cos's, etc.) as each other. So we want to find a co-terminal angle that we recognize (between 0 and 360). Co-terminal angles are 360 degrees apart from each other. So start adding 360's to -675 until you get an angle between 0 and 360. Then find the tan of that angle. That tan will be the same as the tan(-675).
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