Mert, TugbaKarliga, Baki2019-07-272019-07-282019-07-272019-07-2820170037-87122175-1188https://dx.doi.org/10.5269/bspm.v35i3.24398https://hdl.handle.net/20.500.12418/6979In this paper; using the angle between unit normal vector field of surfaces and a fixed spacelike axis in R-1(4), we develop two class of spacelike surface which are called constant timelike angle surfaces with timelike and spacelike axis in de Sitter space S-1(3). Moreover we give constant timelike angle tangent surfaces which are examples constant angle surfaces in de Sitter space S-1(3).en10.5269/bspm.v35i3.24398info:eu-repo/semantics/openAccessConstant angle surfacesde Sitter spaceHelixArticle35393792-s2.0-85010426694Q3WOS:000410613600006N/A