Evaluating trigonometric Functions of 30 ° , 45 ° , a n d 60 ° In Exercises 23-28, construct an appropriate triangle to find the missing values. ( 0 ° ≤ θ ≤ 90 ° , 0 ≤ θ ≤ π 2 ) Function θ (deg) θ (rad) Function Value sin _ π 4 _
Evaluating trigonometric Functions of 30 ° , 45 ° , a n d 60 ° In Exercises 23-28, construct an appropriate triangle to find the missing values. ( 0 ° ≤ θ ≤ 90 ° , 0 ≤ θ ≤ π 2 ) Function θ (deg) θ (rad) Function Value sin _ π 4 _
Solution Summary: The author explains how to convert radiant to degree by multiplying (180mathrmdegpi
Evaluating Trigonometric Functions InExercises 33 and 34, find the exact values of the sixtrigonometric functions of the angle θ.33.54θ34.84θUsing a Calculator In Exercises 35–38, use acalculator to evaluate the trigonometric function. Roundyour answer to four decimal places. (Be sure thecalculator is in the correct mode.)
Evaluating Trigonometric Functions In Exercises13–18, the point is on the terminal side of an anglein standard position. Find the exact values of the sixtrigonometric functions of the angle.13. (5, 12) 14. (8, 15)15. (−5, −2) 16. (−4, 10)17. (−5.4, 7.2) 18. (312, −2√15)
Finding Special Angles of a Triangle In Exercises53–58, find each value of θ in degrees (0° < θ < 90°) andradians (0 < θ < π2) without using a calculator.53. (a) sin θ = 12 (b) csc θ = 254. (a) cos θ = √22 (b) tan θ = 155. (a) sec θ = 2 (b) cot θ = 156. (a) tan θ = √3 (b) csc θ = √257. (a) csc θ = 2√33 (b) sin θ = √2258. (a) cot θ = √33 (b) sec θ = √2
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Fundamental Trigonometric Identities: Reciprocal, Quotient, and Pythagorean Identities; Author: Mathispower4u;https://www.youtube.com/watch?v=OmJ5fxyXrfg;License: Standard YouTube License, CC-BY