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    Elementary Geometry Study Set 1
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    Exam 12: Introduction to Trigonometry
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    In the Triangle Shown, M = 90 °

In the Triangle Shown, M = 90 °

Question 57

Question 57

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In the triangle shown, m In the triangle shown, m   = 90 ° . Find an expression for cos B (also called cos   ). = 90 ° . Find an expression for cos B (also called cos In the triangle shown, m   = 90 ° . Find an expression for cos B (also called cos   ). ).

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