Show:
Reference Angles
Trig Functions
Triangles
Quadrants
Potpourri
100
What is the reference angle for 135 degrees?
45 degrees
100
Find sin 30 degrees.
1/2
100
Find the sin value of the angle that passes through the point (3, 4).
4/5
100
Identify the quadrant in which the angle theta lies if: sin (theta) > 0 and cos (theta) < 0
II
100
What is the reciprocal trig function for sin?
csc
200
What is the reference angle for 330 degrees?
30 degrees
200
Find cos 135 degrees.
-sqrt(2)/2
200
Find the cos value of the angle that passes through the point (-1, 5).
-sqrt(26)/26
200
Identify the quadrant in which the angle theta lies if: tan (theta) > 0 and cos (theta) > 0
I
200
What is a positive coterminal angle for 3.22?
9.5
300
What is the reference angle for -240 degrees?
60 degrees
300
Find tan 240 degrees.
sqrt(3)
300
Find the tan value of the angle that passes through the point (4, -4).
-1
300
Identify the quadrant in which the angle theta lies if: cos (theta) < 0 and sin (theta) < 0
III
300
Find sin 45 degrees.
sqrt(2)/2
400
What is the reference angle for 5(pi)/6?
(pi)/6
400
FInd sec 2(pi)/3.
-2
400
Find the value of the cot for an angle that passes through the point (8, -7).
-8/7
400
Identify the quadrant in which the angle theta lies if: cot (theta) < 0 and csc (theta) > 0
II
400
Using a calculator, find the csc 43.1 degrees to the nearest 3 decimal places.
1.464
500
What is the reference angle for 16(pi)/7?
(pi)/7
500
FInd cot -7(pi)/6.
-sqrt(3)
500
Find the value of the sec for an angle that passes through the point (-sqrt(2), 4).
-3
500
Identify the quadrant in which the angle theta lies if: sec (theta) > 0 and sin (theta) < 0
IV
500
Find the compliment of 3(pi)/8.
(pi)/8