Is-it-possible-to-combine-2cos-90-x-cos-180-x-into-a-form-of-a-cos-b-x-c-2cos-pi-2-x-cos-pix-a-cos-bx-c-

Question Number 74853 by Raxreedoroid last updated on 01/Dec/19

Is it possible to combine 2 c o s (90 ° x) + c o s (180 ° x)

into a form of a \cdot c o s (b \cdot x + c)

2 c o s (\frac{π}{2} x) + c o s (π x) \overset{?}{=} a \cdot c o s (b x + c)

Commented by mr W last updated on 01/Dec/19

n o!

Commented by Raxreedoroid last updated on 01/Dec/19

Thanks