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Trig Functions

Directions: Fill in the empty blanks so that you create a triangle whose Cos Θ = √2/2. You can use whole numbers 1 through 9, but can only use a number once: (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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