Angles, Quadrants & Radians
A 230 degree angle is located in which quadrant?
Quadrant 3
Find the reference angle (in degrees) and quadrant for 120 degrees.
60 degrees in quadrant 2.
Find sin 45 degrees. Provide your answer in rationalized form.
square root of 2 / 2
Find csc 210 degrees.
negative 2
List all 4 quadrantal angles (in degrees) between 0 and 360 degrees.
0 (or 360), 90, 180, 270
A negative 190 degree angle is located in which quadrant?
Quadrant 2
Find the reference angle for negative 135 degrees.
45 degrees
Find cos 150 degrees. Provide your answer in rationalized form.
negative square root of 3 / 2
Find tan 300 degrees.
negative square root of 3
List all 4 quadrantal angles (in radians) between 0 and 2pi.
0 (or 2pi), pi/2, pi, 3pi/2
Convert 150 degrees into radians.
5 pi / 6
Find the reference angle for negative 60 degrees and determine if cosine will be positive or negative.
60 degrees, cosine will be positive
Find sin -120 degrees. Provide your answer in rationalized form.
negative square root of 3 / 2
Find sec -150 degrees. Provide your answer in rationalized form.
negative 2 times square root of 3 / 3
Find cos 90 degrees.
0
List an angle between 0 and 360 degrees that is coterminal with 460 degrees.
100 degrees
Find the reference angle for 210 degrees and determine if sine will be positive or negative in that quadrant.
30 degrees, sine will be negative
Find sin 390 degrees.
1/2
Find cot 135 degrees.
negative 1
Find sin 270 degrees.
negative 1
List an angle that is between 0 and 2pi that is coterminal with 7pi.
pi
Find the reference angle for negative 420 degrees and determine if sine and cosine will be positive or negative.
60 degrees, sine will be negative and cosine will be positive.
Find cos 4pi/3.
negative 1 / 2
Simplify: sec x / tan x
csc x
Find cot -90 degrees.
0