Trig functions
Trig Ratios
Trig Vocabulary
Right Triangles
100
This trig function is opposite/hypotenuse
SINE
100
Sin, Cos and Tan are abbreviations of what words?
What are sine, cosine & tangent?
100
The side opposite the right angle of a right triangle.
What is the hypotenuse?
100
When using Trigonometry, the side length across from the reference angle is called what?
Opposite
200
This trig fuction is opposite/adjacent
TANGENT
200
This is the cos(790) to the nearest thousandth
0.191
200
The angle opposite the hypotenuse.
What is a right angle?
200
How do we identify the hypotenuse of a right-angled triangle?
It is the longest side, and is always opposite the right angle.
300
This trig function is adjacent/hypotenuse?
COSINE
300
Set up the regular trigonometric ratio you may use with the given information?
tan(θ)=6/8
300
Sohcahtoa only applies to which triangles?
right triangles
300
What is 'theta' often used to represent when it comes to trigonometry?
An unknown angle
400
What is sohcahtoa used for?
To find the missing sides or components of a right triangle
400
What does the acronym SOHCAHTOA stand for?
(Write out each word in order.)
Sine = Opposite/Hypotenuse
Cosine = Adjacent/Hypotenuse
Tangent = Opposite/Adjacent
400
The 2 acute angles in a right triangle total the following degree _________
What is 90?
400
What is the sum of the interior angles of a triangle?
180 degrees