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WAEC - Mathematics (1996 - No. 40)

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
13/12

解释

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

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