Another question for **O Level Additional Mathematics (A-Math)**.

On the same diagram, sketch the graphs of

y=sin 3x & y=cos2x,

for x between 0 degree and 180 degree

Hence state the number of soutions to the equation

sin 3x=cos 2x

in the interval 0 degree less than or equals to x which is less then or equals to 180 degree

Click on image to have a larger view

[...] More A-Math Trigo Graphs [...]