Answer question number 27. The question is in the image.

Oscar asked May 18, 2023

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Oscar asked May 18, 2023

by Oscar

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14 votes

27. sin( -150°)

Use the following property: sin( -x ) = - sin( x ), so:

$\sin(-150)=-\sin(150)=-(1)/(2)$

Answer: -1/2

Phuong LeCong answered May 23, 2023

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