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maths trig

is it true if the hypotenuse is the double of the opposite then sin = 30 degrees and cos = 60 degrees?
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Original post by meli77
is it true if the hypotenuse is the double of the opposite then sin = 30 degrees and cos = 60 degrees?

Draw an equilateral triangle and split it into two 30-60-90 by drawing a line which bisects the angle and opposite side. What do you get?
Or note that sin(30) = ... so ...
(edited 2 years ago)

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