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            • 1.

              将函数\(y{=}2\sin(2x{+}\dfrac{\pi}{6})\)的图象向右平移\(\dfrac{1}{4}\)个单位后,所得图象对应的函数为\((\)  \()\)

              A.\(y{=}2\sin(2x{+}\dfrac{\pi}{4})\)
              B.\(y{=}2\sin(2x{+}\dfrac{\pi}{3})\)

              C.\(y{=}2\sin(2x{-}\dfrac{\pi}{4})\)                 
              D.\(y{=}2\sin(2x{-}\dfrac{\pi}{3})\)
            • 2.

              函数\(y=2\sin \left( 3x\mathrm{{-}}\dfrac{\pi}{3} \right)\)的最小正周期为____\(.\) 

            • 3.

              已知函数\(f\left(x\right)=\sin \left(wx+φ\right)\left(w > 0,\left|φ\right| < \dfrac{π}{2}\right) \)的最小正周期为\(6π \),且其图象向右平移\(\dfrac{2π}{3} \)个单位后得到函数\(g\left(x\right)=\sin wx \)的图象,则\(φ \)等于\((\)    \()\)

              A.\(\dfrac{4π}{9} \)
              B.\(\dfrac{2π}{9} \)
              C.\(\dfrac{π}{6} \)
              D.\(\dfrac{π}{3} \)
            • 4. 已知函数\(f(x)= \sqrt{2}\sin \left( \left. ωx- \dfrac{π}{4} \right. \right)(ω > 0)\)的最小正周期是\(π\).
              \((1)\)求\(ω\)的值;

              \((2)\)若\(x∈\)\(\left[ \left. 0, \dfrac{π}{2} \right. \right]\),且\(f(x)=0\),求\(x\)的值.

            • 5.

              已知函数\(f(x)=\sin (\omega x+\varphi )\),\((A > 0,\omega > 0,\left| \varphi \right| < \dfrac{\pi }{2})\)满足\(f(x+\dfrac{\pi }{2})=-f(x-\dfrac{\pi }{2})\),且\(f(\dfrac{\pi }{6}+x)=f(\dfrac{\pi }{6}-x)\),则\(f(x)\)的解析式为

              A.\(f(x)=\sin (x+\dfrac{\pi }{3})\)
              B.\(f(x)=\sin (x-\dfrac{\pi }{3})\)

              C.\(f(x)=\sin (2x-\dfrac{\pi }{6})\)
              D.\(f(x)=\sin (2x+\dfrac{\pi }{6})\)
            • 6.
              若将函数\(y=\tan (ωx+ \dfrac {π}{4})(ω > 0)\)的图象向右平移\( \dfrac {π}{3}\)个单位长度后,与函数\(y=\tan (ωx+ \dfrac {π}{6})\)的图象重合,则\(ω\)的最小值为 ______ .
            • 7.

              已知函数\(f(x)=A\sin (ωx+φ)(A > 0,w > 0,\left|φ\right| < \dfrac{π}{2}) \)的部分图像如图所示,则当\(x∈[0, \dfrac{π}{2}] \)时,满足\(f(x)=1\)的\(x\)的值为

              A.\(\dfrac{\pi }{6}\)
              B.\(\dfrac{\pi }{4}\)
              C.\(\dfrac{5\pi }{24}\)
              D.\(\dfrac{\pi }{3}\)
            • 8.

              函数\(y=A\sin (\omega x+\phi )(\omega > 0,\left| \phi \right| < \dfrac{\pi }{2},x\in R)\)的部分图象如图所示,则函数表达式(    )


              A.\(y=-4\sin (\dfrac{\pi }{8}x+\dfrac{\pi }{4})\)
              B.\(y=4\sin (\dfrac{\pi }{8}x-\dfrac{\pi }{4})\)
              C.\(y=-4\sin (\dfrac{\pi }{8}x-\dfrac{\pi }{4})\)
              D.\(y=4\sin (\dfrac{\pi }{8}x+\dfrac{\pi }{4})\)
            • 9.

              已知函数\(f\left( x \right)={\cos }\left( \omega x-\dfrac{\omega \pi }{6} \right)(\omega > 0)\)的最小正周期为\(\pi \),则函数\(f\left( x \right)\)的图象(    )

              A.可由函数\(g\left( x \right)={\cos }2x\)的图象向左平移\(\dfrac{\pi }{3}\)个单位而得
              B.可由函数\(g\left( x \right)={\cos }2x\)的图象向右平移\(\dfrac{\pi }{3}\)个单位而得
              C.可由函数\(g\left( x \right)={\cos }2x\)的图象向左平移\(\dfrac{\pi }{6}\)个单位而得
              D.可由函数\(g\left( x \right)={\cos }2x\)的图象向右平移\(\dfrac{\pi }{6}\)个单位而得
            • 10.

              将函数\(f(x)=\sin \omega x(\omega > 0)\)的图象向右平移\(\dfrac{\pi }{12}\)个单位长度得到函数\(y=g(x)\)的图象,\(\dfrac{\pi }{3}\)为\(g(x)\)的一个极值点,则实数\(\omega \)的最小值为

              A.\(\dfrac{7}{4}\)
              B.\(\dfrac{3}{2}\)
              C.\(2\)
              D.\(\dfrac{5}{4}\)
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