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Home > CCG > Chapter 5 > Lesson 5.2.2 > Problem 5-66

5-66.

Using the triangle below, write an expression representing . Then write an expression for and . What other ratio is equivalent to ?  

A right triangle with legs labeled a, and, b. The hypotenuse is labeled, c. The angle opposite, a, is 52 degrees.

Recall that .

Where is the angle in the triangle?

Refer to the Math Notes box in Lesson 5.1.2 for the different trigonometric ratios.