How do you convert y = sin (300t) into a cosine function? Trigonometry Graphing Trigonometric Functions Translating Sine and Cosine Functions 1 Answer George C. May 17, 2015 y = sin(300t) = cos(300t-pi/2) Is that what you meant? Answer link Related questions How do you graph sine and cosine functions when it is translated? How do you graph y=sin ( x -frac{\pi}{2} )? How do you draw a sketch of y = 1 + cos (x - pi) How do you shift and graph y=-3+sinx? How do you graph y=3sin(1/3x+ pi/2)-2? How do you graph 1/2sin(x-pi)? How do you graph -sinx+2? How do you graph y=3sin(1/2)x? How do you graph y=-2cos((pix)/3)? How do you graph y = (1/2)sin(x - pi)? See all questions in Translating Sine and Cosine Functions Impact of this question 2751 views around the world You can reuse this answer Creative Commons License