Simplify: cos 27 cos 16 + sin 27 sin 16.
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Simplify: cos 27° cos 16° + sin 27° sin 16°.
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Related Book For
Algebra And Trigonometry Graphs And Models
ISBN: 9780134179049
6th Edition
Authors: Marvin Bittinger, Judith Beecher, David Ellenbogen, Judith Penna
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