February 25, 2017

Homework Help: pre calc

Posted by kim on Friday, February 12, 2010 at 1:14pm.

1. For the following functions listed below:
(a) f(x) = -2cosx f(x) = 0.25sinx
(b) f(x) = -3sin(2x+3)+7 f(x) = sinx + 4
Find :
(i) the amplitude
(ii) the period

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