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  5. the graph above is a...

the graph above is a sketch of

Mathematics
WAEC 1991

the graph above is a sketch of

  • A. y = sin 2x
  • B. y=sinx
  • C. y=cos2x
  • D. y=2sinx
  • E. y = 2cos x
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Correct Answer: Option B
Explanation

by using trial and error  Y = sinx since \(\pi\) in radian = 180º

 

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