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 sec _ 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 sec _ π 4 _
Solution Summary: The author explains how to convert radiant to degree by multiplying (180mathrmdegpi
Evaluating Trigonometric Functionsof 30°, 45°, and 60° In Exercises 23–28,construct an appropriate triangle to find themissing values. (0° ≤ θ ≤ 90°, 0 ≤ θ ≤ π2)
Identifying Damped Trigonometric FunctionsIn Exercises 65–68, match the function with its graph.Describe the behavior of the function as x approacheszero. [The graphs are labeled (a), (b), (c), and (d).]
Using a Calculator In Exercises 75–90,use a calculator to evaluate the trigonometricfunction. Round your answer to four decimalplaces. (Be sure the calculator is in thecorrect mode.)75. sin 10° 76. tan 304°77. cos(−110°) 78. sin(−330°)79. cot 178° 80. sec 72°81. csc 405° 82. cot(−560°)83. tanπ9 84. cos2π785. sec11π8 86. csc15π487. sin(−0.65) 88. cos 1.3589. csc(−10) 90. sec(−4.6)
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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