
Trigonometric Expressions and Identities
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Thomas White
FREE Resource
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8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main objective of the video tutorial?
To understand the history of trigonometry
To simplify a trigonometric expression without a calculator
To memorize trigonometric identities
To learn how to use a calculator for trigonometric functions
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can 11π be expressed in terms of simpler components?
As 3π + 8π
As 2π + 9π
As 5π + 6π
As 4π + 7π
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the simplified form of 11π/12?
π/2 + π/3
π/6 + 3π/4
π/4 + 3π/4
π/3 + 2π/3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which identity is used to simplify the expression involving sine and cosine?
Half angle identity
Pythagorean identity
Sum and difference identities
Double angle identity
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of sin(π/6)?
√2/2
√3/2
1/2
1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of cos(3π/4)?
1/2
√3/2
-√2/2
-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of multiplying sin(π/6) and cos(3π/4)?
-√2/4
√2/4
1/4
-1/4
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