Sum/Difference & Double/Half Angle Identities Mixed Practice
Authored by Ashley Smith
Mathematics
12th Grade
20 Questions
CCSS covered
Used 4+ times
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Write the following expression as the sine, cosine, or tangent of an angle.
cos(175)cos(55)+sin(175)sin(55)
Tags
CCSS.HSF.TF.C.9
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Find the exact value of the expression.
sin(5π/12)cos(π/4) - cos(5π/12)sin(π/4)
Tags
CCSS.HSF.TF.C.9
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Tags
CCSS.HSF.TF.C.9
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Use a double-angle or half-angle identity to find the exact value of each expression
cos θ = 4/5 and 270° < θ < 360°Find sin 2θ
-1/5
24/25
-24/25
-25/24
Tags
CCSS.HSF.TF.C.9
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Use Sum or Difference Identities to find the exact value of each expression.
cos(75°)
1/4
Tags
CCSS.HSF.TF.C.9
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Use a double-angle or half-angle identity to find the exact value of each expression
sin θ = −3/5 and 3π/2 < θ < 2π Find tan θ/2
Tags
CCSS.HSF.TF.C.9
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Use a double-angle identity to find the exact value of each expression
cos θ = 4/5 and 270° < θ < 360°
Find sin 2θ
Tags
CCSS.HSF.TF.C.9
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