Change 2sin(1/2x-2) to a cosine function. Change cos(1/4x+1) + 2 to a sine function. Thanks for any help!
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Originally Posted by live_laugh_luv27 Change 2sin(1/2x-2) to a cosine function. Change cos(1/4x+1) + 2 to a sine function. Thanks for any help! You can use the basic property $\displaystyle \sin(\frac{\pi}{2}-\theta)=\cos(\theta)$. This is also true if you switch the cos and sin.
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