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Home > GC > Chapter 11 > Lesson 11.1.1 > Problem 11-17

11-17.

Examine the diagram of the triangle at right.  

  1. Write an equation representing the relationship between .

    Think of the Pythagorean Theorem.

  1. Write an expression for . What is if ?

  2. Write an expression for . What is if ?

Right triangle labeled, hypotenuse, R, horizontal leg, X, vertical leg, Y, and angle opposite vertical leg, labeled, theta.