Find the six trigonometric functions when given sine and a constraint on cosine

The video tutorial explains how to find the values of six trigonometric functions given sine of 3/5 with the angle in quadrant 2. It highlights the need to use right triangle trigonometry when the point is not on the unit circle. The tutorial walks through setting up the triangle, using the Pythagorean theorem, and calculating sine, cosine, tangent, and their reciprocals. It emphasizes the importance of understanding quadrants and constraints to determine the correct triangle.

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