trig

Find the sign of the expression if the terminal point determined by t is in the given quadrant. cos t X sec t in any given quadrant

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asked by Katie
  1. If we examine the expression
    cos(t)*sec(t)
    and noting that sec(t)≡1/cos(t), it is possible to determine the sign (and the value) of the given expression for t in any quadrant.

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    posted by MathMate

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