Find the values of the sine, cosine, and tangent for za-
12 ft
a - viscos a = v157, tan
on 15t 1 13157
6 157
157
sina=
cos a=
157
tan
c.
157
w 15
sina=
cosa =-
11 ) tana=
11 v1576
/ 157
157, tan a==
157
, cos a=

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