Double Angle Identity
Authored by Anthony Clark
Mathematics
10th Grade
CCSS covered
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13 questions
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1.
DRAG AND DROP QUESTION
1 min • 1 pt
Use a double-angle formula to rewrite each expression so that there are no multiple angles.
2.
DRAG AND DROP QUESTION
1 min • 1 pt
Use a double-angle formula to rewrite each expression so that there are no multiple angles.
Tags
CCSS.HSF.TF.C.9
3.
MULTIPLE CHOICE QUESTION
1 min • 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
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tags
CCSS.HSF.TF.C.9
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Using the third identity, find Cos(40)
2cos2 (40) - 1
2cos2 (20) - 1
2cos2 (20) + 1
2cos2 (40) + 1
Tags
CCSS.HSF.TF.C.9
6.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Using the first identity, find Sin(180)
2sin(90)cos(90)
2sin(180)cos(180)
sin(90)cos(90)
sin(180)cos(180)
Tags
CCSS.HSF.TF.C.9
7.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Using the second identity, find Cos(50)
sin2(25) - cos2(25)
cos2(50) - sin2(50)
cos2(25) - sin2(25)
sin2(50) - cos2(50)
Tags
CCSS.HSF.TF.C.9
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