Double Angle and Half Angle Identities
Authored by Barbara White
Mathematics
11th - 12th Grade
CCSS covered
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16 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 2 pts
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
2.
MULTIPLE CHOICE QUESTION
15 mins • 2 pts
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
3.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
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
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
Tags
CCSS.HSF.TF.C.9
5.
MULTIPLE CHOICE QUESTION
15 mins • 2 pts
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
6.
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
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
If cosx = - 4/5, find csc if in quadrant II
Tags
CCSS.HSF.TF.C.8
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