Trigonometry - One Line Questions
1.
What is the value of tan(120°)? —
-√3
2.
If cos(θ) = 1/2, what is the value of sin(θ) in the first quadrant? —
√3/2
3.
What is the value of sin(0°)? —
0
4.
What is the value of cos(90°)? —
0
5.
What is the value of tan(45°)? —
1
6.
What is the value of sin(30°)? —
1/2
7.
What is the value of cos(60°)? —
1/2
8.
What is the value of sec(0°)? —
1
9.
What is the value of csc(90°)? —
1
10.
What is the value of cot(45°)? —
1
11.
What is the value of sin(90°)? —
1
12.
What is the value of cos(0°)? —
1
13.
What is the value of tan(0°)? —
0
14.
What is the value of sin(60°)? —
√3/2
15.
What is the value of cos(30°)? —
√3/2
16.
What is the value of sin(180°)? —
0
17.
What is the value of cos(180°)? —
-1
18.
What is the value of tan(180°)? —
0
19.
What is the value of sin(270°)? —
-1
20.
What is the value of cos(270°)? —
0
21.
What is the value of tan(270°)? —
Undefined
22.
What is the value of sin(360°)? —
0
23.
What is the value of cos(360°)? —
1
24.
What is the value of tan(360°)? —
0
25.
If sin(θ) = cos(θ), what is the value of θ in the first quadrant? —
45°
26.
What is the value of tan(60°)? —
√3
27.
What is the value of tan(30°)? —
1/√3
28.
What is the value of sec(60°)? —
2
29.
What is the value of csc(30°)? —
2
30.
What is the value of cot(60°)? —
1/√3
31.
What is the value of sec(45°)? —
√2
32.
What is the value of csc(45°)? —
√2
33.
What is the value of tan(135°)? —
-1
34.
Which trigonometric identity relates tan(θ) and sec(θ)? —
1 + tan²(θ) = sec²(θ)
35.
What is the fundamental trigonometric identity relating secant and tangent? —
1 + tan²(θ) = sec²(θ)
36.
What is the value of sin(135°)? —
1/√2
37.
What is the value of cos(135°)? —
-1/√2
38.
What is the value of cot(30°)? —
√3
39.
What is the value of tan(150°)? —
-1/√3
40.
What is the value of cos(45°)? —
1/√2
41.
What is the value of sin(120°)? —
√3/2
42.
What is the value of cos(120°)? —
-1/2
43.
What is the value of sin(150°)? —
1/2
44.
What is the value of cos(150°)? —
-√3/2
45.
If sin(θ) = 5/13 and θ is in the second quadrant, what is cos(θ)? —
-12/13
46.
If sin(A) = 3/5 and cos(A) = 4/5, what is tan(A)? —
3/4
47.
If sin(θ) = 3/5, what is the value of cos(θ) in the first quadrant? —
4/5
48.
In a right-angled triangle, sin(θ) = Opposite / Hypotenuse. What is cos(θ)? —
Adjacent / Hypotenuse
49.
In a right-angled triangle, tan(θ) = Opposite / Adjacent. What is cot(θ)? —
Adjacent / Opposite
50.
What is the reciprocal of sin(θ)? —
csc(θ)