prove that sinA/cosA = tanA.

Asked by adithyakaushik | 5th Apr, 2009, 06:20: AM

Expert Answer:

sinA = P/H = BC/AC

& cosA = B/H = AB/AC

sinA/cosA = (BC/AC)/(AB/AC)

                    = BC/AB

                    = tanA

Answered by  | 31st May, 2009, 01:16: AM

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