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DENIUS [597]
3 years ago
11

-1 (\frac{ \sqrt{3} }{2}) " alt="sin ^-1 (\frac{ \sqrt{3} }{2}) " align="absmiddle" class="latex-formula">
cos^-1( -\frac{\sqrt{3} }2} )

tan^-1(-1)

cos^-1 (cos \frac{4 \pi }{3}})
Mathematics
1 answer:
Snezhnost [94]3 years ago
8 0
#1 

the answer is 60.

#2

The answer is 150.

#3

The answer is -45

#4

The answer is 4.18879 ≈ 4.2
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The function gives depth of water in inches 7 minutes after filling began

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