How to evaluate the inverse of cosine with a calculator

The video tutorial introduces a new topic related to solving trigonometric equations, specifically focusing on using inverse functions to solve for Theta. The instructor begins by recalling previous concepts and then explains how to solve basic trigonometric equations using cosine. The tutorial progresses to introduce inverse functions, demonstrating how to isolate Theta using inverse cosine. The session concludes with finding the acute angle and summarizing the calculation process.

What steps are involved in solving for a variable in a trigonometric equation?

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Explain how to convert the result of Theta from radians to degrees.

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