16 Questions
What is the branch of mathematics that deals with the study of the relationship between the sides and angles of a right-angled triangle?
Trigonometry
Who is the Greek mathematician credited with giving the concept of Trigonometry?
Hipparchus
What are some of the most commonly used trigonometric angles for calculations?
45°, 60°, 90°
What can Trigonometry help to find in a right triangle using trigonometric formulas, functions or identities?
Both missing or unknown angles and sides
In trigonometry, the angles can be measured in which units?
Radians
Which branch of mathematics basically deals with the study of the relationship between the sides and angles of a right-angle triangle?
Trigonometry
Which trigonometric functions are also known as the trigonometric ratios?
Sine, cosine, and tangent
Which trigonometric functions are considered odd functions?
Sine, tangent
What type of function is cosine?
Even function
Which angles are commonly used in trigonometry problems?
0°, 30°, 45°, 60°, 90°
What is the ratio for sin θ in a right-angled triangle?
Perpendicular/Hypotenuse
When is a trigonometric function said to be an even function?
$f(-x) = f(x)$
How are the trigonometric ratios of common angles found?
$sin^{-1}(P/H), cos^{-1}(B/H), tan^{-1}(P/B)$
What does the concept of unit circle help measure directly?
$sin$, $cos$, and $tan$
What are the sides opposite to the hypotenuse called in a right-angled triangle?
Opposite and adjacent sides
What are the two different types of trigonometry mentioned in the text?
Right-angled and acute-angled trigonometry
Test your knowledge of trigonometry functions, ratios, tables, formulas, and examples with this quiz. Explore the basics of trigonometry and understand the relationship between the sides and angles of a right-angled triangle.
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