Year 13 maths · C.5 · Trigonometry
Find reference angles
The reference angle is the acute angle to the x-axis.
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What is the reference angle for 319°?
Answer: 41
What is the reference angle for 295°?
Answer: 65
What is the reference angle for 132°?
Answer: 48
Tip: The reference angle is the acute angle to the x-axis.
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