trig

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identify the quadrant in which 0 lies.

sin < 0 and sec > 0

  • trig -

    sin negative, cosine positive?

    sin is negative III, IV
    cosine positive I, III

  • trig -

    Sin < 0-----> quadrant 3 and 4

    Sec > 0 ---- quadrant 1 and 4

    sec = 1/cos

    Answer is quadrant 4

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