Students often wonder “when will I need this” when it comes to mathematics, but a detective has discovered applying trigonometry to real world CSI investigations happens every day.  Now he wants to share his discovery with high school students.

Applying Trigonometry to Real World CSI InvestigationsMichael Sweitzer is a detective and blood spatter expert with the Thunder Bay Police Service. He is showing a new generation how trigonometry is used in his job daily.

“The math they’re doing has a validation,” he said. “It’s not just a theory.”

At Hammarskjold High School, grade 11 university math students used real blood spatter made from sheep’s blood, to test their application of trig in the real world.

“Literally where the person is, from different blood stains and different angles,” said 16-year-old Aidin Johnston.

“It’s kind of cool.”

“It’s hard for them to buy in and see where their math is useful in everyday life,” said teacher Kimberly Copp. “This is a good way to connect what somebody does in the real world.”

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