trig

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Find the values of the followin:
(cot30deg) (sec45deg)

  • trig -

    your teacher probably expects you to know the ratios of sides of the 30-60-90 and the 45-45-90 triangles
    they are
    1 : √3 : 2 and 1 : 1 : √2

    make a sketch to see the sides and the sides

    so cot30°sec45°
    = √3√2 = √6

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