217: sec(x), cosec(x) & cot(x) 2

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Proving Trigonometric Identities

E8-01 Proving Trigonometric Identities: The Methods

E8-04 Proving Trigonometric Identities: Example 3

E8-05 Proving Trigonometric Identities: Example 4

E8-06 Proving Trigonometric Identities: Example 5