bribrimb124
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  • 19-04-2017
  • Mathematics
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How can you tell the difference between cosine and sine

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tiaw13 tiaw13
  • 19-04-2017
The COsine is the COmplementary trigonometric function of the sine. Remember what complementary angles are? They are angles which add up to 90º. ... On the other hand, a cross product between vectors will be 0 whenever the vectors are in the same "line" (colinears), meaning either 0 angle difference, or π angledifference
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