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Subjects>Math>Algebra

What is the reference angle for -490 degrees?

Updated: 4/28/2022

Wiki User

∙ 13y ago

Best Answer

When using autocad, 0 degrees was at 3 o' clock, then go anticlockwise for positive, clockwise for negative

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∙ 13y ago

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Continue Learning about Algebra

What is the reference angle for an angle with a measure of 331 degrees?

It is a reflex angle

What is the reference angle for an angle with a measure of 331?

29 degrees.

What is the reference angle of 335 degrees?

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What is the reference angle for 305 .?

It is 55 degrees.

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It is a reflex angle because it's greater than 180 degrees

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What is the reference angle for an angle with the measure of 175 degrees?

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What is the reference angle of 90 degrees?

Quadrantals are their own reference angle, so 90 degrees.

Find the reference angle for the angle 59 degrees?

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353 degrees is a reflex angle

Why is 90 degrees taken as angle of reference in trigonometry?

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What is the reference angle sin 285?

Sin(285) is a number, not an angle. The reference angle for 285 degrees is 285-360 = -75 degrees.

What is the reference angle of 180 degrees?

complementary angle.

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