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JAMB - Mathematics (1980 - No. 40)
If PN is perpendicular to QR, find the value of tan x.
\(\frac{5}{9}\)
\(\frac{3}{5}\)
\(\frac{3}{4}\)
\(\frac{4}{3}\)
\(\frac{5}{3}\)
Paliwanag
By Pythagoras ON = 4
NR = 5
Tan x = \(\frac{3}{5}\)
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