
Understanding Sum and Difference Identities

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 ordered pair for point P on the unit circle?
(1, 0)
(-1, 0)
(0, 1)
(0, -1)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which angle is represented by the point Q on the unit circle?
Angle A-B
Angle B
Angle B-A
Angle A
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between the chords RP and SQ on the unit circle?
RP is longer than SQ
RP and SQ are perpendicular
RP is shorter than SQ
RP and SQ are equal
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What formula is used to calculate the distance between two points on the unit circle?
Slope Formula
Midpoint Formula
Distance Formula
Pythagorean Theorem
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the identity for cosine of A minus B?
sin(A)cos(B) + cos(A)sin(B)
sin(A)cos(B) - cos(A)sin(B)
cos(A)cos(B) - sin(A)sin(B)
cos(A)cos(B) + sin(A)sin(B)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the cosine of a negative angle relate to the cosine of the positive angle?
It is the square
It is the reciprocal
It is the negative
It is the same
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the identity for sine of A plus B?
sin(A)cos(B) + cos(A)sin(B)
cos(A)cos(B) - sin(A)sin(B)
cos(A)cos(B) + sin(A)sin(B)
sin(A)cos(B) - cos(A)sin(B)
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