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PAGE: 297SET: ExercisesPROBLEM: 24
Please look in your text book for this problem Statement

The trigonometric equation is .

Consider .

Rewrite the equation as .

Apply double angle formula : .

.

Graph :

Draw a coordinate plane.

Graph the function in the interval .

graph of the trigonometric equation y = 4 cos 2x

Graph of the function is :

graph of the trigonometric equation y = 4 cos 2x



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