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Trigonometry

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1. If tanθ = –√3 , what is the value of cot ?

2. Find the value of 3sec2.4. (Round to the nearest tenth.)

14.if sinθ = -4/5 and tanθ = -4/3, what is

  • Trigonometry -

    cot = 1/ tan

    2.4 degrees or 2.4 radians ?

    sin = -4/5 so in quadrant 3 or 4
    tan is negative so in quadrant 4
    hypotenuse = 5
    opposite = 4
    adjacent = 3
    so cos theta = 3/5
    and theta = -53.1 or -.93 radians

  • Trigonometry -

    1. -1/√3
    2. Is the 2.4 in radians?
    14. The question is incomplete.
    Theta is in the fourth quadrant, sin^-1 4/5 below the +x axis.

  • Trigonometry -

    1.) 1/root 3

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