Unit Circle and Reference Triangle Review

Question 1

For pi/6, pi/3, 3pi/2

Answer 1

Long side = (3^1/2)/2, Short side = (1/2), Hypotenuse = 1…..

Question 2

pi/4, 3pi/4, 5pi/4

Answer 2

Sides = (2^1/2)/2

Question 3

sin=?

Answer 3

y

Question 4

cos=?

Answer 4

x

Question 5

tan=?

Answer 5

y/x

Question 6

csc=?

Answer 6

1/y

Question 7

sec=?

Answer 7

1/x

Question 8

cot=?

Answer 8

x/y

Question 9

Where is arccos?

Answer 9

Quadrants 1 and 2

Question 10

Arcsin?

Answer 10

Quadrants 1 and 4

Question 11

Arctan?

Answer 11

Quadrants 1 and 4

Question 12

Arcsec?

Answer 12

Quadrants 1 and 2

Question 13

Arccsc?

Answer 13

Quadrants 1 and 4

Question 14

Arccot?

Answer 14

Quadrants 1 and 2