In the above figure, the triangle is isosceles, and alpha (the angle at the top of the triangular prism) is 23.0 degrees. What is theta (the angle below the horizontal that the ray makes emerging from the prism on the right)?
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In the above figure, the triangle is isosceles, and alpha (the angle at the top of the triangular prism) is 23.0 degrees. What is theta (the angle below the horizontal that the ray makes emerging from the prism on the right)?
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