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Trigonometric Formulas and Identities
Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
+5
Standards-aligned
Ethan Morris
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for arc length in a circle when the angle is in radians?
S = Theta * R
S = Theta / R
S = R / Theta
S = R * Theta^2
Tags
CCSS.4.MD.C.5B
CCSS.HSG.CO.A.1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many radians are there in a full circle?
pi radians
360 radians
180 radians
2 pi radians
Tags
CCSS.HSG.C.B.5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which formula is used to calculate the area of a sector when the angle is in degrees?
Area = 1/2 * R * Theta
Area = Theta / 360 * pi * R^2
Area = 1/2 * Theta * R^2
Area = Theta * R^2
Tags
CCSS.HSG.SRT.C.6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In right triangle trigonometry, what does the 'SOH' in SOH-CAH-TOA stand for?
Sine = Adjacent / Hypotenuse
Sine = Hypotenuse / Opposite
Sine = Hypotenuse / Adjacent
Sine = Opposite / Hypotenuse
Tags
CCSS.HSF.TF.A.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the reciprocal of the cosine function?
Cotangent
Tangent
Cosecant
Secant
Tags
CCSS.HSF.TF.C.8
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which identity represents the Pythagorean theorem in trigonometry?
All of the above
1 + cot^2(Theta) = csc^2(Theta)
tan^2(Theta) + 1 = sec^2(Theta)
sin^2(Theta) + cos^2(Theta) = 1
Tags
CCSS.HSF.TF.C.8
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the co-function identity for sine?
sin(90° - Theta) = csc(Theta)
sin(90° - Theta) = sec(Theta)
sin(90° - Theta) = tan(Theta)
sin(90° - Theta) = cos(Theta)
Tags
CCSS.HSF.BF.B.3
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