Rena used the steps below to evaluate the expression , when . Step 1: Substitute into the expression. Step 2: Simplify the parentheses. Step 3: Evaluate the power to a power. Step 4: Use reciprocals and find the value. In which step did Rena make the first error?

]supplementary angles are two angles that add up to . • complementary angles are two angles that add up to degrees. • adjacent angles share a and a • congruent angles have the measure. • an triangle has one angle that is greater than 90 degrees. • a triangle with angles 45°, 45°, and 90° would be a triangle