

Trigonometric Functions and Calculator Use
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Thomas White
FREE Resource
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to set your calculator to degree mode when solving right triangles?
To ensure accurate trigonometric calculations
To save battery life
To make the calculator faster
To change the display color
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step to set your calculator to degree mode?
Press the clear button
Press the power button
Press the memory key
Press the mode key
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you verify that your calculator is in degree mode?
Calculate the cosine of 0 degrees and check if the result is 0
Check the battery level
Calculate the sine of 90 degrees and check if the result is 1
Calculate the tangent of 45 degrees and check if the result is 1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of the sine of 90 degrees if the calculator is in degree mode?
0.5
0
0.866
1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you do if you get an unexpected result when calculating trigonometric functions?
Check if the calculator is in degree mode
Switch to a different calculator
Turn off the calculator
Ignore the result
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should be the result when you calculate the cosine of 60 degrees?
0.5
0.866
0
1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When calculating the cosine of 60 degrees, what might you need to do depending on your calculator?
Turn off the calculator
Manually close the parentheses
Press the power button twice
Switch to radian mode
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