1.

Sketch the following graphs : (i) y=cos(x+π4) (ii) y=cos(x−π4) (iii) y=3cos(2x−1) (iv) y=2cos(x−π2)

Answer»

Sketch the following graphs :
(i) y=cos(x+π4)
(ii) y=cos(xπ4)
(iii) y=3cos(2x1)
(iv) y=2cos(xπ2)



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