Simplify and check using a graphing calculator. cosa - 1 cos a + 1
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Simplify and check using a graphing calculator.
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cos²a - 1 cos a + 1
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First lets factor the numerator cos2 1 cos 1cos 1 Substituting this into the expression we get cos2 ...View the full answer
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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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