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Thread: Help with trig

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    Help with trig

    Hey can I leech some help? From the Cambridge 2U book (4H, 10-e)

    Find the area bound between y=sinx and the x axis, from x=−5pi/6 to x=7pi/6

    Ans: 4 units^2

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    Re: Help with trig

    Quote Originally Posted by sodiumziha View Post
    Hey can I leech some help? From the Cambridge 2U book (4H, 10-e)

    Find the area bound between y=sinx and the x axis, from x=−5pi/6 to x=7pi/6

    Ans: 4 units^2
    I'll give a hint - try sketch the y = sinx graph in that domain and remember to either minus the negative areas (to make it positive) or absolute value negative areas.
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    Re: Help with trig

    Note that the area bounded by the sine wave between is the same as the area bounded between .
    HSC 2018 - [English Adv.] • [Maths Ext. 1] • [Maths Ext. 2] • [Chemistry] • [Software Design and Development]

    1(3√3) t2 dt cos(3π/9) = log(3√e) | Integral t2 dt, From 1 to the cube root of 3. Times the cosine, of three pi over nine, Equals log of the cube root of e.

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