sol_multi_angl_form_1

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Unformatted text preview: From www.analvzemath.com Trigonometry Worksheet: Multiple Angle Formula (1) 1. Express cos(3B) in terms of cos( B) . vr, C~6) <0 W C!t3 ~~ +8J:: W G-n J-8 C0 [!-[;.'L8~e ~ :: ~lk0'L8-') _ ;2 CvS~e _ e- )~e, jes-s GDO. .'L ~'\8 Grr& $. ~ e e Cus<e) _ J. eos'e - Cus e - .,i(X Cl- - 4 Cus~e_3Co-$6. 2. Express sin(3B) in terms ofsin(B) . ~ C'H» :: ~ (le ~- --~ \8) c,J)8 =- S:ih.te. enB -+- ~ 1- CJs(2e)~tJ - J~e. ~c9 +- (1-.2f1;,2e).SJ:,& _ .2 ~ e. (£J Le f;;, B - 2. JJ,;,3 f3 ~'le) ~9 - "U1~}e - - ~ ~) e + 3 ~ e . - 1 ",~e (\-I- From www.analyzemath.com ...
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