Question: please help me do section 7-3, pages 442-43, exercises 14, 16, 18, 20, 26, 28, 34, 36, 38 EXERCISES Practice Use sum or difference identities

please help me do section 7-3, pages 442-43, exercises 14, 16, 18, 20, 26, 28, 34, 36, 38

EXERCISES Practice Use sum or difference identities to find the exact value of each trigonometric function. 14. cos 105 15. sin 165" 16. cos - 12 17. sin 7 18. tan 195" 19. cos 12 20. tan 165' 21. tan 12 22. sin 735 23. sec 1275 113# 24. CSC 12 25. cot - 12 442 Chapter 7 Trigonometric Identities and Equations www.amc.glencoe.com/self_check_quiz CONTENTS Find each exact value if 0 ) - sin' x - sin y

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