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    New Videos Today: Trigonometry Patrickmaye

    Just in case you didn't see it in the other thread.

    Six new videos uploaded today, all on trigonometry. There is a mix of basic 1st/2nd year stuff up to a LCHL word problem. Check them out and don’t forget to subscribe on YouTube to get all the updates.

    Naming sides of a right angle triangle and introduction to sin, cos and tan:

    How to calculate the sin, cos and tan of an angle:

    How to calculate an angle using sin, cos and tan:

    How to calculate a side using sin, cos and tan:

    Word problem, how far is the boat from the cliff:

    Word problem, how high is the building with a wall blocking the building (two triangles needed):

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      Could you do a few on logs or defrenciation and integration maybe for hl ?

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