Trigonometry

The Topics | Home

 


THREE-PLACE TRIGONOMETRIC TABLE


For angles up to 45°, use the left-hand column and the function labels in blue.  For angles greater than 45°, use the right-hand column and the function labels in red.

For example,

sin 5° = .087

sin 85° = .996 


θ sin θ
cos θ
cos θ
sin θ
tan θ
cot θ
cot θ
tan θ
sec θ
csc θ
csc θ
sec θ
 
.000 1.000 .000 ........ 1.000 ........ 90°
.017 1.000 .017 57.290 1.000 57.299 89°
.035 .999 .035 28.636 1.001 28.654 88°
.052 .999 .052 19.081 1.001 19.107 87°
.070 .998 .070 14.301 1.002 14.336 86°
.087 .996 .087 11.430 1.004 11.474 85°
.105 .995 .105 9.514 1.006 9.567 84°
.122 .993 .123 8.144 1.008 8.206 83°
.139 .990 .141 7.115 1.010 7.185 82°
.156 .988 .158 6.314 1.012 6.392 81°
  sin θ
cos θ
cos θ
sin θ
tan θ
cot θ
cot θ
tan θ
sec θ
csc θ
csc θ
sec θ
 
10° .174 .985 .176 5.671 1.015 5.759 80°
11° .191 .982 .194 5.145 1.019 5.241 79°
12° .208 .978 .213 4.705 1.022 4.810 78°
13° .225 .974 .231 4.331 1.026 4.445 77°
14° .242 .970 .249 4.011 1.031 4.134 76°
15° .259 .966 .268 3.732 1.035 3.864 75°
16° .276 .961 .287 3.487 1.040 3.628 74°
17° .292 .956 .306 3.271 1.046 3.420 73°
18° .309 .951 .325 3.078 1.051 3.236 72°
19° .326 .946 .344 2.904 1.058 3.072 71°
  sin θ
cos θ
cos θ
sin θ
tan θ
cot θ
cot θ
tan θ
sec θ
csc θ
csc θ
sec θ
 
20° .342 .940 .364 2.747 1.064 2.924 70°
21° .358 .934 .384 2.605 1.071 2.790 69°
22° .375 .927 .404 2.475 1.079 2.669 68°
23° .391 .921 .424 2.356 1.086 2.559 67°
24° .407 .914 .445 2.246 1.095 2.459 66°
25° .423 .906 .466 2.145 1.103 2.366 65°
26° .438 .899 .488 2.050 1.113 2.281 64°
27° .454 .891 .510 1.963 1.122 2.203 63°
28° .469 .883 .532 1.881 1.133 2.130 62°
29° .485 .875 .554 1.804 1.143 2.063 61°
  sin θ
cos θ
cos θ
sin θ
tan θ
cot θ
cot θ
tan θ
sec θ
csc θ
csc θ
sec θ
 
30° .500 .866 .577 1.732 1.155 2.000 60°
31° .515 .857 .601 1.664 1.167 1.972 59°
32° .530 .848 .625 1.600 1.179 1.887 58°
33° .545 .839 .649 1.540 1.192 1.836 57°
34° .559 .829 .675 1.483 1.206 1.788 56°
35° .574 .819 .700 1.428 1.221 1.743 55°
36° .588 .809 .727 1.376 1.236 1.701 54°
37° .602 .799 .754 1.327 1.252 1.662 53°
38° .616 .788 .781 1.280 1.269 1.624 52°
39° .629 .777 .810 1.235 1.287 1.589 51°
  sin θ
cos θ
cos θ
sin θ
tan θ
cot θ
cot θ
tan θ
sec θ
csc θ
csc θ
sec θ
 
40° .643 .766 .839 1.192 1.305 1.556 50°
41° .656 .755 .869 1.150 1.325 1.524 49°
42° .669 .743 .900 1.111 1.346 1.494 48°
43° .682 .731 .933 1.072 1.367 1.466 47°
44° .695 .719 .966 1.036 1.390 1.440 46°
45° .707 .707 1.000 1.000 1.414 1.414 45°


The Topics | Home


Please make a donation to keep TheMathPage online.
Even $1 will help.


Copyright © 2012 Lawrence Spector

Questions or comments?

E-mail:  themathpage@nyc.rr.com