Pre-Calculus Practice Problem 201

Pre-Calculus Practice Problem 201 - Unit 6, Activity 5,...

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Unit 6, Activity 5, Working with the Properties and Formulas for the Trigonometric Functions with Answers Blackline Masters, Advanced Math - Pre-Calculus Page Louisiana Comprehensive Curriculum, Revised 2008 199 c) cos(2 x ) + sin x = 0 4. Find the exact values without use of the calculator: a) 3 4 1 sin 1 1 Tan Tan Let Tan -1 1 = A and Tan -1 4 3 = B sin sin cos cos sin AB A B += + b g Set up right triangles for angles A and B. Tan A = 1 so sin cos AA == 1 2 1 2 and . tan B = 4 3 so sin cos . BB 4 5 3 5 and sin( ) sin cos cos sin sin( )
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This note was uploaded on 10/10/2011 for the course MAC 1147 taught by Professor German during the Fall '08 term at University of Florida.

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