Question: 3. (20 points) '1 Sections 3.23.4 a. Show that | sin 2|2 2 sin2 a: + sinh2 y. b. Use part (a) to show that

3. (20 points) '1 Sections 3.23.4 a. Show that | sin

3. (20 points) '1 Sections 3.23.4 a. Show that | sin 2|2 2 sin2 a: + sinh2 y. b. Use part (a) to show that the complex sine function is not bounded: for any M > 0, there exist a 2 such that | sin 2| > M. c. Solve the equation cos 2: = 3. d. For one root of (choose any root you wish) the above equation, verify that 2 2 sin z+cos 2::1

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