
Exploring Trigonometric Identities and Their Applications
Interactive Video
•
English
•
6th - 10th Grade
•
Hard
+2
Standards-aligned

Jackson Turner
FREE Resource
Standards-aligned
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary reason for establishing trigonometric identities?
To make trigonometry more complex
To simplify and speed up the manipulation of recurring trigonometric expressions
To create more formulas to memorize
To confuse students
Tags
CCSS.HSG.SRT.C.6
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the mnemonic SOH-CAH-TOA, what does 'CAH' stand for?
Cosine is adjacent over hypotenuse
Cosine is opposite over hypotenuse
Cosine is hypotenuse over adjacent
Cosine is hypotenuse over opposite
Tags
CCSS.HSG.SRT.C.7
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the reciprocal of the sine function?
Secant
Cosecant
Cotangent
Tangent
Tags
CCSS.HSF.TF.C.8
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which identity states that tangent of theta is equal to sine of theta divided by cosine of theta?
Reciprocal identity
Quotient identity
Pythagorean identity
Even-odd identity
Tags
CCSS.HSF.TF.C.8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first Pythagorean identity?
tan^2(theta) + 1 = sec^2(theta)
1 + cot^2(theta) = csc^2(theta)
cos^2(theta) + sin^2(theta) = 1
sin^2(theta) - cos^2(theta) = 1
Tags
CCSS.HSF.TF.A.2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which trigonometric functions are considered even?
Sine and cosecant
Cosine and secant
Sine and tangent
Tangent and cotangent
Tags
CCSS.HSF.TF.A.2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the co-function identity for sine?
sin(pi/2 - theta) = csc(theta)
sin(pi/2 - theta) = cos(theta)
sin(pi/2 - theta) = sin(theta)
sin(pi/2 - theta) = tan(theta)
Tags
CCSS.HSF.TF.C.9
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