
Understanding Sine Sum and Difference Identities

Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Hard
+2
Standards-aligned

Liam Anderson
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 the sine of a sum of two angles?
Sine A x Cosine B - Cosine A x Sine B
Cosine A x Cosine B - Sine A x Sine B
Sine A x Cosine B + Cosine A x Sine B
Sine A x Sine B + Cosine A x Cosine B
Tags
CCSS.HSF.TF.C.9
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can the sum and difference identities for sine be combined?
By multiplying the identities
By adding the identities together
By subtracting the identities
By using a single formula with a +/- sign
Tags
CCSS.HSF.TF.C.8
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the first example, what is the value of sine A given in the problem?
4/5
-5/13
3/5
5/13
Tags
CCSS.HSF.TF.C.9
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the calculated value of sine A - B in the first example?
36/65
-36/65
56/65
-56/65
Tags
CCSS.HSF.TF.A.4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which reference angles are used to find the sine of 150 degrees?
60 degrees and 45 degrees
60 degrees and 90 degrees
45 degrees and 60 degrees
30 degrees and 60 degrees
Tags
CCSS.HSF.TF.C.9
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the exact value of sine 105 degrees found in the second example?
Square root of 6 plus square root of 2 over 4
Square root of 6 minus square root of 2 over 4
Square root of 3 over 2
Square root of 2 over 2
Tags
CCSS.HSF.TF.A.1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the third example, what is the degree equivalent of -PI/12 radians?
-15 degrees
15 degrees
30 degrees
-30 degrees
Tags
CCSS.HSF.TF.A.2
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