Trigonometry Midterm - Part 2 of 2
SAMPLE
Please be aware that you practice a sample exam set, which means that it’s mimicking a real exam. In order to have more accurate experience:
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2. Trigonometric Functions on Right Triangles / Trigonometric Functions on Right Triangles / Problem 1
Identify if the given expression is undefined, equal to 0, 1, or -1. Note that n is either a positive or negative integer.
cos [90° + n • 180°]
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