Sechrist Sum/Difference Trig Identities
Authored by Edward Sechrist
Mathematics
10th - 12th Grade
CCSS covered
Used 70+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tags
CCSS.HSF.TF.C.9
2.
MULTIPLE CHOICE QUESTION
1 min • 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
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Use Sum or Difference Identities to find the exact value of each expression.
cos(75°)
Tags
CCSS.HSF.TF.C.9
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
sin 105º
Tags
CCSS.HSF.TF.C.9
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the exact value of the expression.
cos(20)cos(40) - sin(20)sin(40)
Tags
CCSS.HSF.TF.C.9
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which of the following is NOT
a solution to
sin θ = √(3) / 2 ?
Tags
CCSS.HSF.TF.B.7
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Please choose the correct sum and difference formula:
cos (α-β) =
Tags
CCSS.HSF.TF.C.9
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