Over what interval is the graph of y=-2 + 1x - 2 increasing?
1 answer:
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Step-by-step explanation:
Answer attached..
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$\sec x=\frac1{\cos x}$
$\therefore \cot^2x\cdot\sec^2x= \frac{\cos^2x}{\sin^2x}\frac{1}{\cos^2x}=\frac{1}{\sin^2x}$