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2B 3 COS 3 Write each product as a sum containing only sines or cosines. Select the choice that matches your answer. 22. sin
2B 3 COS 3 Write each product as a sum containing only sines or cosines. Select the choice that matches your answer. 22. sin (57) 262 4 1 2 1 4 A. -sin COS- B. 2 3 2 3 3 200021 +10052 +-cos 2 C. sin 2+ sin 20 1 2 1 1 D. COS cos 2 E. 2 3 2 2 sin 2-1-sin 20 3 23. cos 30 cos 50 (57) A. 0 D. 1 cos 20- cos 80 2 2 50 C. cos 20+ cos 80 1 B. 1212 1 cos 30-cos S 2 1 2 E. cos 30+ cos 50
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Advanced Engineering Mathematics
Authors: Erwin Kreyszig
7th Edition
471553808, 978-0471553809
