5. Inverse Trigonometric Functions and Basic Trigonometric Equations
Evaluate Composite Trig Functions
5. Inverse Trigonometric Functions and Basic Trigonometric Equations
Evaluate Composite Trig Functions - Video Tutorials & Practice Problems
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concept
Evaluate Composite Functions - Values on Unit Circle
Video duration:
5mPlay a video:
2
Problem
ProblemEvaluate the expression.
cos(sin−11)
A
0
B
1
C
−1
D
21
3
Problem
ProblemEvaluate the expression.
sin−1(cos32π)
A
6π
B
65π
C
3π
D
−6π
4
example
Example 1
Video duration:
1mPlay a video:
5
concept
Evaluate Composite Functions - Special Cases
Video duration:
3mPlay a video:
6
example
Example 2
Video duration:
1mPlay a video:
7
Problem
ProblemEvaluate the expression.
cos(cos−1(−3))
A
3π
B
32π
C
π
D
Undefined
8
Problem
ProblemEvaluate the expression.
cos−1(cos(2π))
A
0
B
2π
C
π
D
Undefined
9
Problem
ProblemEvaluate the expression.
tan−1(tan32π)
A
−3π
B
3π
C
32π
D
35π
10
concept
Evaluate Composite Functions - Values Not on Unit Circle
Video duration:
7mPlay a video:
11
example
Example 3
Video duration:
3mPlay a video:
12
Problem
ProblemEvaluate the expression.
tan(cos−11312)
A
1312
B
512
C
135
D
125
13
Problem
ProblemEvaluate the expression.
sin(tan−1815)
A
158
B
1715
C
178
D
28915
14
Problem
ProblemEvaluate the expression.
cos(sin−1(−257))
A
247
B
258
C
2524
D
−2524
15
example
Example 4
Video duration:
3mPlay a video:
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