CBSE Class 10 Answered
prove that sinA/cosA = tanA.
Asked by adithyakaushik | 05 Apr, 2009, 06:20: AM
Expert Answer
<B=90
sinA = P/H = BC/AC
& cosA = B/H = AB/AC
sinA/cosA = (BC/AC)/(AB/AC)
= BC/AB
= tanA
Answered by | 31 May, 2009, 01:16: AM
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