Why is it important to write out trigonometric expressions fully, such as 'cos α = 3/5'?

Trigonometric Functions and Calculators

Interactive Video
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Mathematics
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9th - 10th Grade
•
Hard

Aiden Montgomery
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To confuse the reader
To make the answer look more complex
To save time during exams
To ensure clarity and understanding of the expression
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a right triangle, if the adjacent side is 3 and the hypotenuse is 5, what is cos α?
3/5
5/3
1/2
2/3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function used on a calculator to find an angle from a cosine ratio?
sin
cos⁻¹
tan
cos
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do we convert decimal angle measurements to degrees, minutes, and seconds?
To make calculations easier
To avoid using decimals
To align with traditional angle measurement systems
To make the answer look longer
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When rounding an angle of 53° 31' 48" to the nearest degree, what is the result?
52°
55°
54°
53°
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of decimal places in trigonometric calculations?
They make calculations faster
They ensure precision in measurements
They are only used in exams
They are not important
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you store a calculated value in a calculator for future use?
By writing it down
By using the STO function
By using the CLR function
By memorizing it
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