## How do you find the reference angle of 675?

Subtract 360° 360 ° from 675° 675 ° . The resulting angle of 315° 315 ° is positive, less than 360° 360 ° , and coterminal with 675° 675 ° .

## How do you find the reference angle?

In order to find its reference angle, we first need to find its corresponding angle between 0° and 360°. This is easy to do. We just keep subtracting 360 from it until it’s below 360. For instance, if our angle is 544°, we would subtract 360° from it to get 184° (544° – 360° = 184°).

**What is the reference angle of 420 degrees?**

Subtract 360° 360 ° from 420° 420 ° . The resulting angle of 60° 60 ° is positive, less than 360° 360 ° , and coterminal with 420° 420 ° .

**What is the reference angle for 220 degrees?**

40°

220° lies in quadrant 3. The reference angle is the acute angle with vertex at (0,0) formed by the terminal side of the angle (when drawn in standard position) and the x-axis. So, for the given angle, the reference angle is 220° – 180° = 40°.

### What is reference angle and examples?

Finding Reference Angles If the terminal side of the angle is in the second quadrant, we take the angle and subtract it from 180 degrees. Example 1: Find the reference angle for 150 degrees. 180 – 150 = 30 degrees. Therefore, the reference angle is 30 degrees.

### What is the reference angle of 90?

Reference angle for 90°: 90° (π / 2)

**What is the reference angle of 100?**

80°

Reference angle for 100°: 80° Reference angle for 105°: 75° Reference angle for 110°: 70°

**What is the Coterminal angle of sin 420?**

60°

The angle 420°, coterminal to angle 60°, is located in the First Quadrant(Quadrant I).

## What is the reference angle of 225 degrees?

Reference angle for 225°: 45° (π / 4)

## What is the reference angle for 5pi 3?

Trigonometry Examples Since π3 is in the first quadrant, the reference angle is π3 .

**What is the reference angle for a degree angle?**

A reference angle is defined as the absolute of the difference between 180 degrees and the original angle.

**What is the reference angle for 100 degrees?**

### How to find the reference angle 510 degrees?

The resulting angle of 150 ° 150 ° is positive, less than 360 ° 360 °, and coterminal with 510 ° 510 °. Since the angle 150° 150 ° is in the second quadrant, subtract 150° 150 ° from 180° 180 °. Subtract 150 150 from 180 180.

### Which is the correct reference angle for 135°?

Reference angle for 135°: 45° (π / 4) Reference angle for 140°: 40° Reference angle for 145°: 35° Reference angle for 150°: 30° (π / 6) Reference angle for 155°: 25° Reference angle for 160°: 20° Reference angle for 165°: 15° Reference angle for 170°: 10° Reference angle for 175°: 5° Reference angle for 180°: 0°

**How to find the reference angle in radians?**

Finding your reference angle in radians is similar to identifying it in degrees. 1. Find your angle. For this example, we’ll use 28π/9 2. If your angle is larger than 2π, take away the multiples of 2π until you get a value that’s smaller than the full angle. 10π9 3.

**How do you find the reference angle in a graph?**

What is a reference angle. Look at the picture above. Every angle is measured from the positive part of x-axis to its terminal line (the line that determines the end of the angle) counterclockwise. If you want to find the reference angle, you have to find the smallest possible angle formed by the x-axis and the terminal line,…