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Sedbober [7]
3 years ago
10

Evaluate the following expression 40 -8 - 102

Mathematics
1 answer:
Andru [333]3 years ago
7 0

Answer:

-70

Step-by-step explanation:

40-8-102

= 32 - 102

= -70

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Sin(3pi over 4) = _____
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If you're using the app, try seeing this answer through your browser:  brainly.com/question/2790456

______________


\mathsf{sin\!\left(\dfrac{3\pi}{4}\right)}\\\\\\ =\mathsf{sin\!\left(\dfrac{3\cdot 180^\circ}{4}\right)}\\\\\\ =\mathsf{sin(135^\circ)}\\\\ =\mathsf{sin(180^\circ-135^\circ)}

=\mathsf{sin(45^\circ)}\\\\ =\mathsf{\dfrac{\sqrt{2}}{2}}\quad\longleftarrow\quad\textsf{this is the answer.}


I hope this helps.=)


Tags:  <em>sine sin common angles trig trigonometry </em>

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