Posted by **Chaitanya** on Tuesday, April 22, 2008 at 12:03am.

What kind of reflection does the trig function y = cos(4x/3 minus 1) have?

- trig -
**bobpursley**, Tuesday, April 22, 2008 at 8:57am
Well, it is reflected about the cosine zero line, or when 4x/3 minus 1 is equal to zero.

- trig -
**Anonymous**, Friday, May 20, 2011 at 11:15am
Amplitude of y=-2 cos1/3x

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