Trig Functions and Graphs (radians)

Hong Kong

Stage 4 - Stage 5

Which of the following is the graph of $y=\sin2x$`y`=`s``i``n`2`x`?

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A

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B

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C

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D

Easy

Less than a minute

Which of the following is the graph of $y=\cos2x$`y`=`c``o``s`2`x`?

Which of the following is the graph of $y=3\cos x$`y`=3`c``o``s``x`?

Which of the following is the graph of $y=3\sin x$`y`=3`s``i``n``x`?

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