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MAVERICK [17]
3 years ago
8

I need help with exercise b.

Mathematics
1 answer:
denpristay [2]3 years ago
6 0
\bf sin(-t)=\cfrac{5}{7}\implies -sin(t)=\cfrac{5}{7}\implies sin(t)=-\cfrac{5}{7}\\\\
-------------------------------\\\\
csc(t)\implies \cfrac{1}{sin(t)}\implies \cfrac{1}{-\frac{5}{7}}\implies \cfrac{\frac{1}{1}}{-\frac{5}{7}}\implies \cfrac{1}{1}\cdot -\cfrac{7}{5}\implies -\cfrac{7}{5}
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Read 2 more answers
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