Consider the right triangle shown below. a. Use the Pythagorean Theorem to write an equation relating z, y, and r. x^2+y^2=r^2 Preview 2 + y = r² syntax ok b. Write a formula that expresses z in terms of r and 0. Preview c. Write a formula that expresses y in terms of r and 0. Preview d. Use your answers to parts (a)-(c) to write an equation relating cos(0), sin(8), and r. Preview

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