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reference angle. In DICTIOUS you will not only get to know all the dictionary meanings for the word
reference angle, but we will also tell you about its etymology, its characteristics and you will know how to say
reference angle in singular and plural. Everything you need to know about the word
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English
Noun
reference angle (plural reference angles)
- An acute angle with the same values of trigonometric functions, up to sign, as another angle: used for easy reference when examining the non-acute angle.