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14 August, 18:09

Sine and cosine are both negative in which quadrant?

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  1. 14 August, 18:24
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    quad 3

    Step-by-step explanation:

    Use "all students take calculas"

    quad 1: a=all positive

    quad 2: s=only sine positive, tan and cos negative

    quad 3: t=only tan positive, cos and sin negative

    quad 4: c=only cos positive, tan and sin negative
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