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Which quadrants are csc, sec, and cot positive in?

1 Answer

Aug 12, 2016

$csc$ $csc$ is $+ v e$ $+ve$ in $Q_{I}, and, Q_{I I}$ $Q_I, and, Q_(II)$

$sec$ $sec$ is $+ v e$ $+ve$ in $Q_{I}, and, Q_{I V}$ $Q_I, and, Q_(IV)$

$cot$ $cot$ is $+ v e$ $+ve$ in $Q_{I}, and, Q_{I I I}$ $Q_I, and, Q_(III)$ .

Explanation:

$csc$ $csc$ is $+ v e$ $+ve$ in $Q_{I}, and, Q_{I I}$ $Q_I, and, Q_(II)$

$sec$ $sec$ is $+ v e$ $+ve$ in $Q_{I}, and, Q_{I V}$ $Q_I, and, Q_(IV)$

$cot$ $cot$ is $+ v e$ $+ve$ in $Q_{I}, and, Q_{I I I}$ $Q_I, and, Q_(III)$ .

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