Concept explainers
Determining Trigonometric Identities In Exercises 45-50, (a) use a graphing utility each side of the equation to determine whether the equation is an identity, (b) use the table feature of the graphing utility to determine whether the equation is an identity, and (c) confirm the results of parts (a) and (b) algebraically.
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Precalculus (MindTap Course List)
- Verifying a Trigonometric Identity In Exercises 65 and 66, use the double-angle formulas to verify the identity algebraically and use a graphing utility to confirm your result graphically. sin4x=8cos3xsinx4cosxsinxarrow_forwardSimplifying a Trigonometric Expression In Exercises 7-16, use the fundamental trigonometric identities to simplify the expression. (There is more than one correct form of each answer.) tan1cos2arrow_forwardUsing Trigonometric Identities In Exercises 43-52, use trigonometric identities to transform the left side of the equation into the right side 0/2. sin2cos2=2sin21arrow_forward
- Trigonometry (MindTap Course List)TrigonometryISBN:9781337278461Author:Ron LarsonPublisher:Cengage Learning