If tan x = \(2\frac{2}{5}\), find the value of sin x; 0 \(\leq\) x \(\leq\)…

Mathematics WAEC 1996

If tan x = \(2\frac{2}{5}\), find the value of sin x; 0 \(\leq\) x \(\leq\) 90o

  • 5/13
  • 5/12
  • 144/169
  • 12/13 checkmark
  • 13/12

The correct answer is: D

Explanation

Tan x = 22/5 = 12/5
sin x = 12/13
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