Trigonometry introduction - Corbettmaths

Corbettmaths - This is part 1 of 3 of a trigonometry review. In lesson we will establish the trigonometric ratios. This video explains how to label the sides, what the trigonometric ratios are, the 'two old angels' triangles and how to change your calculator to 'degrees mode'.

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Your seriously gonna help me pass my gcse’s, thankyou so much

[@lmalik9018]

This video is so helpful!!

[@chelseaward2093]

Did you pass

[@shrokhan3906]

Thank you so much for helping me i need this I’m gonna pass on my test

[@SpideyWebSlinger111]

Brilliant

[@samirashire8794]

thanks...once again

[@nathans5766]

Thanks, I used this in my paper 2 exam and I know I got it right

[@anesssahraoui1655]

Same this helped me too, but i'm going to have my exams in a week.

[@someoneonthesameplanetasuu4363]

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[@PlanetImo]

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[@Tarn_]

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[@corbettmaths]

So glad the resources helped

[@lmalik9018]

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