
Understanding the Sine of 36 Degrees

Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard
Jennifer Brown
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the initial approach taken to find the exact value of sine 36 degrees?
Geometric approach
Graphical approach
Algebraic approach
Numerical approach
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between the sine of an angle and its supplementary angle?
They are always equal
They are always opposite
They are equal when subtracted from 180 degrees
They are equal when added to 180 degrees
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which formula is used to expand the sine of 180 degrees minus theta?
Product formula for sine
Quotient formula for sine
Sum formula for sine
Difference formula for sine
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What identities are used to form the equation for solving sine of 36 degrees?
Double and triple angle identities
Half angle identities
Single angle identities
Sum and difference identities
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What substitution is made to simplify the trigonometric equation?
u = tangent of x
u = sine of x
u = cosine of x
u = cotangent of x
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of squaring both sides of the equation?
To eliminate the sine term
To eliminate the cosine term
To eliminate the constant term
To eliminate the radical
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What method is used to solve the polynomial equation?
Graphical method
Numerical method
Quadratic formula
Factorization
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