Mathematics, 20.11.2020 14:00 erik118

Which expression is equivalent to cos(pi/12)cos(5pi/12)+sin(pi/12)sin (5pi/12)? Cos(-pi/3)
Sin(-pi/3)
Cos(pi/2)
Sin(pi/2)

Answers: 3

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Which expression is equivalent to cos(pi/12)cos(5pi/12)+sin(pi/12)sin (5pi/12)? Cos(-pi/3)
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More questions: Mathematics Another questions

Which expression is equivalent to cos(pi/12)cos(5pi/12)+sin(pi/12)sin (5pi/12)? Cos(-pi/3) Sin(-pi/3) Cos(pi/2) Sin(pi/2)

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Another question on Mathematics

Which expression is equivalent to cos(pi/12)cos(5pi/12)+sin(pi/12)sin (5pi/12)? Cos(-pi/3)
Sin(-pi/3)
Cos(pi/2)
Sin(pi/2)