In Exercises, use a graphing calculator to determine which expression (A)(F) on the right can be used

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In Exercises, use a graphing calculator to determine which expression (A)–(F) on the right can be used to complete the identity. Then try to prove that identity algebraically.

A.

B. cos x

C. tan x + cot x

D. cos3 x + sin3 x

E.

F. cos4 x - sin4 x

cot x + csc x

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Algebra And Trigonometry Graphs And Models

ISBN: 9780134179049

6th Edition

Authors: Marvin Bittinger, Judith Beecher, David Ellenbogen, Judith Penna

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