Use your graphing calculator to determine if each equation appears to be an identity by graph-ing the left expression and right expression together. If so, prove the identity. If not, find a counterexample. (Some of these identities are from the book Plane and Spherical Trigonometry,written by Leonard M. Passano and published by The Macmillan Company in 1918.)     sec 2  a/ sin 2 a = cosec 2 a + sec 2 a

Trigonometry (MindTap Course List)
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ISBN:9781305652224
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Chapter5: Identities And Formulas
Section5.1: Proving Identities
Problem 79PS
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Use your graphing calculator to determine if each equation appears to be an identity by graph-
ing the left expression and right expression together. If so, prove the identity. If not, find a

counterexample. (Some of these identities are from the book Plane and Spherical Trigonometry,
written by Leonard M. Passano and published by The Macmillan Company in 1918.)

 

 

sec 2  a/ sin 2 a = cosec 2 a + sec 2 a

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