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    Precalculus Functions and Graphs Study Set 2
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    Exam 6: Analytic Trigonometry
  5. Question
    Simplify the Expression Algebraically\(\cos ( 2 x + 4 y ) \cos ( 2 x - 4 y )\)
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Simplify the Expression Algebraically cos⁡(2x+4y)cos⁡(2x−4y)\cos ( 2 x + 4 y ) \cos ( 2 x - 4 y )cos(2x+4y)cos(2x−4y)

Question 13

Question 13

Short Answer

Simplify the expression algebraically.
​ cos⁡(2x+4y)cos⁡(2x−4y)\cos ( 2 x + 4 y ) \cos ( 2 x - 4 y )cos(2x+4y)cos(2x−4y) ​

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