
Sum and difference formulas
Quiz
•
Mathematics
•
11th - 12th Grade
•
Medium
Standards-aligned
Donald Weeks
Used 4+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Find the exact value of the expression.
cos(20)cos(40) - sin(20)sin(40)
Tags
CCSS.HSF.TF.C.9
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Find the exact value.
cos (265 - 25) =
Tags
CCSS.HSF.TF.C.9
3.
MULTIPLE CHOICE QUESTION
2 mins • 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
2 mins • 1 pt
Given and
Find the exact value of sin (α+β):
0
Tags
CCSS.HSF.TF.C.9
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Use a sum or difference formula to find an exact value of sin 105º
Tags
CCSS.HSF.TF.C.9
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