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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 whose Cos Θ = √2/2: (5, 4), (__,__) and (__,__).



The cosine is formed by the relationships of what two sides of a triangle?
What unit triangle is needed to create a Cos Θ = √2/2?



There are many possible solutions, one is (6,2) and (8,3)

Source: Bryan Anderson


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One comment

  1. One possible solution is (8,3) and (6,2)

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