Calendar X W TrigIdentity.pdf x W InverseTrig.pdf X W Trig Transform.pdf x W TrigDefined.pdf x ) Quiz: Quiz 4 Quiz 4.pdf X Sy cos=(sqrt(2))/2 - Sin x X Mathway | Algebra X * Homework Help - C D @ File | C:/Users/aliab/Downloads/Quiz_4.pdf G Quiz 4 Name(s): Show all your work. Reasonable supporting work must be shown for any partial credit. Ruth Vanderpool A C 1. [2] Find three angles 0 so that cos(0) = 2. 2. The depth of water in d feet, in a channel r hours after midnight is graphed below. (a) [1 Estimate the channel depth at 10am. (b) [1] When is low tide? of (c) [1] What is the period of d? 10 11 12 16 12 1 (d) [2] Describe either: . the graph transformations need to transform the basic cosine graph into the graph of d(I), or . the amplitude, period, and phase shift for the graph of d(x). (e) [3] Find an algebraic rule for the function d (note that there are many correct answers for this!). LO O SOS N O 1:56 PM 5/27/2020