Mathematics for Technology I (Math 1131)

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Study Force Academy
Durham College, Mathematics
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Special Triangles

The angles shown below appear so frequently in problems that it is convenient to be able to write their trigonometric functions from memory.

These angles are derived from these two triangles:

If you’d like watch two examples where we use special triangles to find unknown angles, watch Question 1 in the video below. As mentioned in the previous lesson, you’re not required to know this.

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