Saturday
October 25, 2014

Homework Help: Algebra II

Posted by Man on Sunday, May 25, 2014 at 7:05pm.

Part 1: Using complete sentences, compare the key features and graphs of sine and cosine. What are their similarities and differences?

Answer: The sine graph will always pass through (0, 0), While the cosine graph wouldn't. If the graph is 2cosx, it will pass through (0, 2). How high the graphs go depend on its amplitude, (how high or how far the graphs go can sometimes be infinite).

Part 2: Using these similarities and differences, how would you transform f(x) = 3 sin(4x - π) + 4 into a cosine function in the form f(x) = a cos(bx - c) + d?
Answer: I don't know, please help

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