Finding Exact Values of trig functions using the unit circle

Students use degree and radian measures to find exact values of trig functions and cofunctions. #trigonometry #unitcircle #sine #cosine #tangent #secant #cosecant #cotangent #cotangent

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Questions 13

Answers

1
Find the exact value of cot(30^o)
√3
2
-1/2
√3/3
2
Find the exact value of cos(5π/3).
-2
1/2
0
-1/2
3
Find the exact value of cos(π).
-√2/2
√3/3
2√3/3
-1
4
Find the exact value of csc(330^o).
-√3/2
1/2
2
-2
5
Find the exact value of cot(210^o)
-√3/3
Undefined
√3/3
√3
6
Find the exact value of sec(210^o).
-2√3/3
2√3/3
-√3/2
Undefined
7
Find the exact value of sec(30^o).
√3/2
2√3/3
1
-√2
8
Find the exact value of cos(0^o).
1
0
-√2/2
-1
9
Find the exact value of tan(7π/4).
0
Undefined
-1
1
10
Find the exact value of cos(45^o).
1
√3/2
√2/2
1/2
11
Find the exact value of tan(150^o).
-√3
√3/3
-√3/3
-1
12
Find the exact value of sin(180^o).
1
0
Undefined
-1
13
Find the exact value of sin(315^o).
-1
-√2/2
Undefined
√2/2

Finding Exact Values of trig functions using the unit circle

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Students use degree and radian measures to find exact values of trig functions and cofunctions. #trigonometry #unitcircle #sine #cosine #tangent #secant #cosecant #cotangent #cotangent

Flashcards13 cardsFPractice quizPHost liveL

Questions 13

Answers

1
Find the exact value of cot(30^o)
√3
2
-1/2
√3/3
2
Find the exact value of cos(5π/3).
-2
1/2
0
-1/2
3
Find the exact value of cos(π).
-√2/2
√3/3
2√3/3
-1
4
Find the exact value of csc(330^o).
-√3/2
1/2
2
-2
5
Find the exact value of cot(210^o)
-√3/3
Undefined
√3/3
√3
6
Find the exact value of sec(210^o).
-2√3/3
2√3/3
-√3/2
Undefined
7
Find the exact value of sec(30^o).
√3/2
2√3/3
1
-√2
8
Find the exact value of cos(0^o).
1
0
-√2/2
-1
9
Find the exact value of tan(7π/4).
0
Undefined
-1
1
10
Find the exact value of cos(45^o).
1
√3/2
√2/2
1/2
11
Find the exact value of tan(150^o).
-√3
√3/3
-√3/3
-1
12
Find the exact value of sin(180^o).
1
0
Undefined
-1
13
Find the exact value of sin(315^o).
-1
-√2/2
Undefined
√2/2