3 1 LA20 Er 1 TRIGONOMETRIC RATIOS USING SIN COS AND TAN In 4 6 find sin R cos R tanR Write each answer as a fraction and as a decimal rounded to three decimal places 4 R 6 T 30 T 15 sin R cos R n R 25 2 S 5 S sin R cos R opposite A for adjacent or H for hypotenuse from the indicated angle 3 tan R 24 26 10 R 16 S sin R cos R 34 A