Sum and Difference Identities | Quizalize

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Sum and Difference Identities

Quiz by Kimberly McGinnis

High School

Precalculus

Texas Essential Knowledge and Skills (TEKS)

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Measures 1 skill from
High School
Precalculus
Texas Essential Knowledge and Skills (TEKS)

111.42.C.4.E

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Q 1/3
Score 0
Which of the following is the same as cos (A+B)
29

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

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3 questions

Show answers

Q1
Which of the following is the same as cos (A+B)
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
300s
111.42.C.4.E
Q2
Which of the following is the same as sin (A - B)
sin A cos B - sin B cos A
sin A cos B + cos A sin B
cos A cos B + sin A sin B
sin A cos B - cos A sin B
300s
Q3
Expand sin (33 +42)
sin 33 cos 42 + cos 33 sin 42
cos 33 cos 42 - sin 33 sin 42
sin 33 sin 42 + cos 33 cos 42
sin 33 cos 42 - cos 33 sin 42
300s