6.1 Notes MATH 113
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This 5 page Class Notes was uploaded by Katelynn Jones on Tuesday September 29, 2015. The Class Notes belongs to MATH 113 at University of Alabama - Tuscaloosa taught by Phylisicia carter in Fall 2015. Since its upload, it has received 14 views. For similar materials see - Precalculus Trigonometry in Mathematics (M) at University of Alabama - Tuscaloosa.
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Date Created: 09/29/15
J 39 t z cL I 39 3 My V 1 FitL 3 A Paint t To verify an identity start with the more complicated side and transform it in a stepbystep fashion until it is identical to the other side It is sometimes helpful to verify an identity by rewriting One of the sides in terms of Sines and cosines and then simplifying the result Example Verify the identity tan x cos x 2 sin x sec 9 cos 6 tan 9 sin 9 secx a cscx t anx 1 secx cscx tanx 1 tan x tan y sin x cos y cos x sin y 1 ta x tan 3 E cosx cos y sin x sin 31 J 135 m 535 2 quot 1 V 1 g I I EM quot3quotquot Sim 39 39e 5m Ej amg 3 51121 2 mg 3 w i ms 391 52m 391 iiii355 ii ga 2 3 ms 5 mg i Sm 3 ag a 3m 33 s a gm 39ng mg i d F r 5 056 9 7311162 7 C059 55in92 74 DJ sin2 t C052 t 2 5111 t 1 wt2 1 Example Complete the identity cscx sinx cos x sinx cos x2 1251nxc03x Example Rewrite the fellowing expression in terms of the given function tanx CGtx secx cscx tanx SECX 1 secx tan u CSC x tam2 x csc x COS x and sin 3