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    can anyone tell me the exact forms of trig ratios for 30, 60 & 45 degrees...
    thanks x
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    work it out yourself.
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    (Original post by fashiongirly)
    can anyone tell me the exact forms of trig ratios for 30, 60 & 45 degrees...
    thanks x
    Draw a triangle and work it out.
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    cheers
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    sin 30 = 0.5 = cos60
    sin45 = (sqrt2)/2 = cos 45
    sin 60 = (sqrt3)/2 = cos 30

    tan30 = 1/sqrt3
    tan60 = sqrt3
    tan45 = 1
 
 
 

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