How to evaluate for cosecant using a calculator in radians

The video tutorial explains the relationship between sine and cosecant, emphasizing that they are reciprocal functions. It describes how sine is represented by the y-coordinate on the unit circle, while cosecant is the reciprocal of sine. The tutorial also demonstrates how to calculate cosecant using a calculator by inputting the reciprocal of the sine function, providing an example calculation for clarity.

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