Sharp EL-W516B 47

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COMPLEX NUMBERS

Use your EL-W516B to find the modulus, the complex conjugate, and to simplify complex expressions.

1.What is the modulus of i ?

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2.What is the modulus of 3  i2 ?

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3.What is the complex conjugate of i ?

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4.Simplify 1  i 1  i

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5.Simplify 2  2i(i)

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6.What is i 0 , i1 , i 2 , i3 ?

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7.Simplify cos  i sin 

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Contents

Page Page Page Page Page Page Page Page Page Page dxd x x5 x2 dx Page Page OBJECTIVE: 4,6,8,10 Page Page Page 51 6.Simplify  5  52  4  2   5  52  4  Page Page 23'58 4. A hexagon has five angles, which are 1.5 radians, .3 radians radians sin 30 40 15 13 tan tan (1) 34 21 40 24 12 (r, ) 2,60) 2,60 r  3,3) (4,3 x  1,1) 1.Find log1000 log10 log 2 log123 5(1 ln 3) log100 Page Page Page 12) Page Page OBEJCTIVE: Page 10 Page 15,25,35,35 sx  NOTE: sy  Page Page AxB Page Page Page Page 3x  5 y  Page Page Page Page Page Page  3,1,5,9,13,17,21 2. 2,3,4,5 3. 6,9,12,15,18 4. 144,72,36 5. 729,243 81,27,9,3 6. 1,45,2025 100,90,80,70,60 8. 1,21,41,61 Random p. 34: p. 35: Probability p. 36: 1. 3628800 2. 6 3