jfloresatyr jfloresatyr

26-11-2018
Mathematics

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Rewrite 2cos75˚sin75˚ using a double-angle identity.
A. 2sin75˚
B. cos75˚
C. sin150˚
D. cos150˚
E. sin75˚

Respuesta :

minniey minniey

26-11-2018

C. sin150°
2cos75°sin75°=sin2×75°= sin150°

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