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How do I find the length of a & b

I can't remember which to cos/sin/tan. So yeah, if you could help me on that it would be amazing :)

Question

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How do I find the length of a & b

I can't remember which to cos/sin/tan. So yeah, if you could help me on that it would be amazing :)

phi · Answer

see http://www.khanacademy.org/math/trigonometry/basic-trigonometry/basic_trig_ratios/v/example--using-soh-cah-toa SOH CAH TOA

anonymous · Answer

I needed more of like, " sin = opposite/hypotenuse " but, since you at least tried to answer my question, I shall give you best response :3

phi · Answer

the video explains it very clearly.

the short hand SOH CAH TOA
stands for sin  = opposite/hypotenuse
cos = adjacent/hypotenuse
tan = opposite/adjacent

phi · Answer

or
oscar had   a heap   of apples
   sin            cos          tan