Answer :
sin-495 = 0.98
cos-495 = 0.19
tan-495 = 4.95
sin-20π/3 = 0
cos-20π/3 = 0.3
tan-20π/3 = 0
cos-495 = 0.19
tan-495 = 4.95
sin-20π/3 = 0
cos-20π/3 = 0.3
tan-20π/3 = 0