Question
Download Solution PDFIf Sin \(A=\frac{3}{5}\) then find value of Cos A?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFCalculation:
We know that sin A = P/H
⇒ sin A = P/H = 3/5
B = \(√{H^2 - P^2}\) = \(√{5^2 - 3^2}\) = √16 = 4
So, cos A = B/H = 4/5
∴ The correct answer is option 3.
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