lex asked in Science & MathematicsMathematics · 7 months ago

sine theta > 0 , tan theta > 0. The angle theta lies in which​ quadrant?

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  • Amy
    Lv 7
    7 months ago

    tan = sin/cos, so if both sin and tan are positive, then is cos positive or negative?

    In which quadrants is sin positive?

    In which quadrants is cos positive?

    Remember, the unit circle has coordinates x = cos(θ), y = sin(θ)

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