a. -2sin x sin(0.4x)
Mathematics, 14.10.2019 01:30 Annamea
Which expression is equivalent to cos(1.4x) − cos(0.6x)?
a. -2sin x sin(0.4x)
b. 2sin x sin(0.4x)
c. -2cos x cos(0.4x)
d. 2cos x cos(0.4x)
Answers: 2
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You know the right answer?
Which expression is equivalent to cos(1.4x) − cos(0.6x)?
a. -2sin x sin(0.4x)
a. -2sin x sin(0.4x)
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