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Sum and Difference Identities

Quiz by Kimberly McGinnis

High School
Precalculus (Archived)
Texas Essential Knowledge and Skills (TEKS)

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Measures 1 skill from
High School
Precalculus (Archived)
Texas Essential Knowledge and Skills (TEKS)
111.42.C.4.E
Determine the value of trigonometric ratios of angles and solve problems involving trigonometric ratios in mathematical and real-world problems

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Q 1/3
Score 0
Which of the following is the same as cos (A+B)
300
sin A cos B + cos A sin B
sin A cos B - cos A sin B
cos A cos B - sin A sin B
cos A cos B + sin A sin B

3 questions

Q.Which of the following is the same as cos (A+B)
1
300 sec
111.42.C.4.E
Q.Which of the following is the same as sin (A - B)
2
300 sec
Q.Expand sin (33 +42)
3
300 sec

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