Given an angle and constraint find the six trig functions of the angle

The video tutorial explains how to evaluate Theta when the cosine of Theta equals -4/5, with Theta in the third quadrant. It covers the importance of quadrant placement, the definition of cosine in terms of triangles and coordinate points, and the use of the Pythagorean theorem to find missing triangle sides. The tutorial concludes with calculating the six trigonometric functions for the given scenario.

What are the six trigonometric functions that need to be evaluated for Theta?

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Describe the relationship between sine, cosine, and their respective reciprocal functions.

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