Evaluate the trig expression with inverse tan

The video tutorial explains how to solve a trigonometry problem involving the inverse tangent and secant of a given value. It starts by discussing the use of the unit circle and then shifts to using a triangle to find the necessary values. The Pythagorean theorem is applied to calculate the hypotenuse, and the secant is determined as the reciprocal of cosine. The tutorial concludes with tips for solving similar problems.

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