Sum and Difference identities of tangent using right triangles

The video tutorial covers the use of triangles and quadrants in trigonometry, focusing on the relationships between secant, cosine, and sine. It explains how to determine the correct quadrant for given trigonometric values and highlights common student mistakes. The tutorial also demonstrates calculating the tangent of angles using trigonometric identities and simplifying complex fractions.

How do you determine the quadrant for a given sine and cosine value?

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Describe the process of simplifying a complex fraction in trigonometry.

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