Asked by | 2nd Aug, 2009, 10:03: PM
in a right trangle pythagoras' theorem is applicable.
if in triangle ABC(say)
angle B is the right angle then
For any of the acute angles A or C,
sin theta=opp side/hypo..(ii)
cos theta=adjacent side/hypo..(iii)
with these three equations the result is obtained.
Answered by | 2nd Aug, 2009, 11:20: PM
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