Answers SS26 Math 3 S2 M3960OX Sum and Difference IdentitiesQuestion 3

3

ALMultiple Choice

Sum and Difference Identities

Question 3 • SS26 Math 3 S2 [M3960OX]

Which expression is equal to sin 75°?

Answer

A

sin 135° cos 60° – cos 135° sin 60°

B

cos 135° cos 60° + sin 135° sin 60°

C

sin 135° cos 60° + cos 135° sin 60°

D

cos 135° cos 60° – cos 135° cos 60°

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Which expression is equal to sin 75°?