What are the definitions of trigonometric functions on the unit circle

The video tutorial introduces trigonometric functions, focusing on sine, cosine, and tangent, using right triangles. It then transitions to the unit circle, explaining how trigonometric functions relate to it, with the x and y coordinates representing the adjacent and opposite sides, respectively. The tutorial also covers reciprocal trigonometric functions, emphasizing their definitions and applications on the unit circle.

How can you find the cosine of an angle using the unit circle?

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Describe the reciprocal properties of trigonometric functions as mentioned in the text.

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