(1) Evaluate the following functions 1. In(3-i6) , 2. e

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.3: Trigonometric Functions Of Real Numbers
Problem 40E
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H.W.
(1) Evaluate the following functions
1. In(3-i6)
, 2. e (310.52)
3. cos (1+i3)
4. tanh (2-i5)
(2) Find all the value of sin2
(3) Prove that
(a) sin z +cos²z =1
(b) sin(-z) =-sinz
(c) Ine =z
(d ) cos(-z) = cosz
(4) Find all values of z for which;
(a) e
; (b) e =1-i
(c) e* =i
= 1
(5) Find all roots of
1. 1+i
2. 8i
3.Vī
4. V-7+ 24i
(6) Find -1, and VT
V1 + i
(7)
Transcribed Image Text:H.W. (1) Evaluate the following functions 1. In(3-i6) , 2. e (310.52) 3. cos (1+i3) 4. tanh (2-i5) (2) Find all the value of sin2 (3) Prove that (a) sin z +cos²z =1 (b) sin(-z) =-sinz (c) Ine =z (d ) cos(-z) = cosz (4) Find all values of z for which; (a) e ; (b) e =1-i (c) e* =i = 1 (5) Find all roots of 1. 1+i 2. 8i 3.Vī 4. V-7+ 24i (6) Find -1, and VT V1 + i (7)
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