15 Questions
What is the study of the relationship between the sides and angles of a right-angled triangle called?
Trigonometry
Who is the Greek mathematician credited with giving the concept of trigonometry?
Hipparchus
In trigonometry, the angles can be measured in which units?
Degrees
Which branch of mathematics finds huge application in diverse fields?
Trigonometry
What are some of the most commonly used trigonometric angles for calculations?
30°, 60°, 90°, 120°
What does trigonometry help to find for a right triangle?
Missing or unknown angles or sides
What are the three important trigonometric functions?
Sine, cosine, tangent
Which trigonometric functions are considered odd?
Sine, tangent
What is the definition of an even trigonometric function?
f(-x) = f(x) and symmetric to the y-axis
Which angles are commonly used in trigonometry problems?
30°, 45°, 90°
How are the trigonometric ratios of an angle defined?
$\theta = sin^{-1} (P/H)$
What does the unit circle help us measure directly?
$sin$, $cos$, and $tan$
How many sides does a right-angled triangle have?
Three sides
What are the abbreviations for the three important trigonometric functions?
$sin$, $cos$, $tan$
What is necessary to define the set of important trigonometric functions?
$Knowledge$ about the sides of the right triangle
Explore the basics of trigonometry including functions, ratios, tables, formulas, and solved examples. Learn about the relationship between the sides and angles of a right-angled triangle, as well as the historical significance of this mathematical concept.
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