Reference Angles

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360-angle

What is the reference angle in Quadrant 4

2

Csc 30 and sec 60

Root 2

Csc 45 and sec 45

2 root 3/ 3

Csc 60 and sec 30

2x

Hypotenuse length of a 30, 60, 90 triangle

X

Side length across from the 30 in a 30, 60 ,90 triangle

X root 3

Side length across from the 60 in 30, 60, 90 triangle

1/2

Sin 30 and Cos 60

Root 2/2

Sin 45 and cos 45

Root 3/2

Sin 60 and cos 30

Root 3/3

Tan 30 and cot 60

1

Tan 45 and cot 45

Root 3

Tan 60 and cot 30

X,x, x root 2

What are the side lengths of a 45, 45, 90 triangle

180-angle

What is the reference angle in Quadrant 2

Angle-180

What is the reference angle in Quadrant 3

Itself

What is the reference angle in Quadrant I


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