5.

Mathematics

2 answers:

vesna_86 [32]3 years ago

3 0

I'm pretty sure the answer is 46 67/100. I hope this helped. And If it didn't Im sorry.

EastWind [94]3 years ago

3 0

Solve how big the entire box is than subtract the middle

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Which one?!!! Help plz

nydimaria [60]

I think number 6 it should be right I think

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3 years ago

Sin(3pi over 4) = _____

OlgaM077 [116]

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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3 years ago

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Katyanochek1 [597]

Answer:

$- \frac{3}{2}$