PERFORMANCE TASK #1 PRE-CALCULUS MODULE 11 Second Quarter - First Semester . OBJECTIVES: Use reference angles to find exact values of circular functions. I1. MATERIALS Short bond paper, Calculator, Ballpen III. PROCEDURE Directions: Read and solve carefully the following items. Please include your SOLUTIONS and enclose in a box your FINAL ANSWER/S. A. Use reference angle and appropriate sign to find the exact value of each expression. 2 3 4 5 6 7 8 sin - tan (-225) 13n -10n and cos (- sin (150) tan () sin (510) sec cot3 11n COS- B. Find the exact value of each expression. 9). cos( -30") + sin (4209) 10). 2 cos () - sin() IV. OUTPUT Exact value of each expression using reference angles. V. STANDARDS Rubrics to be used in evaluating their Activity/ Rubrics can be holistic or analytic SCORE DESCRIPTION 2 Demonstrate complete understanding of the problem. All requirements of the task are included in response. Demonstrate no understanding of the problem, 0 No response/task not attempted