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# A Year In Review

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### A Year In Review - Page Text Content

3: Function Values of 30, 45 and 60 Sin (1/2), (Square root 2/2), Square root 3/2 Cos (Square root 3/2), (square root 2/2), (1/2) Tan (Square Root 3/3), (1), (square root of 3)

4: Trigonometric Functions of Any Angle Formulas: Sin= y/r cos= x/r tan= y/x csc= r/y sec=r/x cot= x/y

5: Transformed Sine And Cosine Functions Formulas : Amplitude: Acos (Bx-C)+ D Phase Shift: y= Asin(Bx-C) + D =Asin [B(x-C/B)]+ D OR Y= Acos[B(x-C/B)]+D

6: Complex Numbers: Multiplication Formula's: R(cos 0+ i sin 0) And R(cos 0+ i sin 0 ) times R(Cos 0+ i sin 0) Equals= R1R2[cos(0+0)+ i sin (0+0)

7: Complex Numbers: Division Formulas: R1 (cos 0 + i sin 0) and R2(cos0+i Sin0) =R1(cos 0+ i sin )/R2(cos 0 + i sin 0) =R1/R2[cos01-02)+ i Sin 01-02)

8: Absolute Value of Complex Numbers Formula's: Standard Fromula Ex: -2+2i a+bi= =absolute value of a+bi =Square root of a^2+b^2 R=Square Root of a^2+b^2

9: Trigonometric Notation for Complex Number's a+bi=r(cos0+i sin0) sin0=b/r cos0=a/r

10: Applications of Trigonometry: Demoivre's Theroem: [R(cos0+ i sin 0)^n= r^n(cos 0+i sin 0)

11: Dear Mrs. Pitt, I want to sincerely thank you for all you have done for me. I greatly appreciate and respect you as an instructor and woman. Although, time has been short I have truly enjoyed your class. Sincerely, Danielle Daughtry

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