Trigonometry (11th Edition)
Trigonometry (11th Edition)
11th Edition
ISBN: 9780134217437
Author: Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher: PEARSON
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Use the information given about the angle 0, 0 < 0 < 2n, to find the exact value of the indicated trigonometric function. 7) sin 0 = 0 < 0 < Find sin 7) A) - V8 - 2/15 V8 + 2/15 V10 D) B) C) 4 8) sec 0 = 4, 0 < 0 < Find cos 8) A) V6 V8 - 2/15 B) 10 C) V8 + 2^/15 D) 4 1 Use the Half-angle Formulas to find the exact value of the trigonometric function. 9) cos 22,5° 9) A) - D) - !!! !! ||
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Transcribed Image Text:Use the information given about the angle 0, 0 < 0 < 2n, to find the exact value of the indicated trigonometric function. 7) sin 0 = 0 < 0 < Find sin 7) A) - V8 - 2/15 V8 + 2/15 V10 D) B) C) 4 8) sec 0 = 4, 0 < 0 < Find cos 8) A) V6 V8 - 2/15 B) 10 C) V8 + 2^/15 D) 4 1 Use the Half-angle Formulas to find the exact value of the trigonometric function. 9) cos 22,5° 9) A) - D) - !!! !! ||
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