Math Arguments

Problems, Questions, and Puzzles to spark discussion and argument in the maths classroom.

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Item 1021

Trig Functions

Directions: Using the digits 1 to 9 at most one time each, fill in the empty blanks so that you create a triangle in which \(Cos Θ = \dfrac{\sqrt{2}}{2}\) and which uses the points: (5, 4), (__,__) and (__,__).



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Open Middle
Bryan Anderson
PRE-CALC

Source: Bryan Anderson
https://www.openmiddle.com/trig-functions/
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