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Cosine and Secant Cosine and Secant
Sine and Cosecant Sine and Cosecant
Figure 5: Periodic Functions Figure 5: Periodic Functions

Sine and Cosecant
Sine and Cosecant
Sine and cosecant are periodic trigonometric functions—that is, their values repeat at regular intervals called periods. The period of sine and cosecant is 360°, or 2p.
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Trigonometry
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